How to cite the R package zoo

zoo is a popular R package that is available at https://cran.r-project.org/web/packages/zoo/index.html. By citing R packages in your paper you lay the grounds for others to be able to reproduce your analysis and secondly you are acknowledging the time and work people have spent creating the package.

APA citation

Formatted according to the APA Publication Manual 7th edition. Simply copy it to the References page as is.

APA

The minimal requirement is to cite the R package in text along with the version number. Additionally, you can include the reference list entry the authors of the zoo package have suggested.

Example of an in-text citation

Analysis of the data was done using the zoo package (v1.8-8; Zeileis & Grothendieck, 2005).

Reference list entry

Zeileis, A., & Grothendieck, G. (2005). Zoo:S3Infrastructure for regular and irregular time series. Journal of Statistical Software, 14(6). https://doi.org/10.18637/jss.v014.i06

Vancouver citation

Formatted according to Vancouver style. Simply copy it to the references section as is.

Vancouver

Example of an in-text citation

Analysis of the data was done using the zoo package v1.8-8 (1).

Reference list entry

1.
Zeileis A, Grothendieck G. Zoo:S3Infrastructure for regular and irregular time series. J Stat Softw [Internet]. 2005;14(6). Available from: http://dx.doi.org/10.18637/jss.v014.i06

BibTeX

Reference entry in BibTeX format. Simply copy it to your favorite citation manager.

BibTeX
@ARTICLE{Zeileis2005-fo,
  title     = "{Zoo:S3Infrastructure} for regular and irregular time series",
  author    = "Zeileis, Achim and Grothendieck, Gabor",
  journal   = "J. Stat. Softw.",
  publisher = "Foundation for Open Access Statistic",
  volume    =  14,
  number    =  6,
  year      =  2005,
  url       = "http://dx.doi.org/10.18637/jss.v014.i06",
  language  = "en",
  issn      = "1548-7660",
  doi       = "10.18637/jss.v014.i06"
}

RIS

Reference entry in RIS format. Simply copy it to your favorite citation manager.

RIS
TY  - JOUR
AU  - Zeileis, Achim
AU  - Grothendieck, Gabor
TI  - Zoo:S3Infrastructure for regular and irregular time series
T2  - J. Stat. Softw.
VL  - 14
IS  - 6
PY  - 2005
DA  - 2005
PB  - Foundation for Open Access Statistic
SN  - 1548-7660
DO  - 10.18637/jss.v014.i06
UR  - http://dx.doi.org/10.18637/jss.v014.i06
ER  - 

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zoo R package release history

VersionRelease date
1.8-72020-01-10
1.8-62019-05-28
1.8-52019-03-21
1.8-42018-09-19
1.8-32018-07-16
1.8-22018-06-11
1.8-12018-01-08
1.8-02017-04-13
1.7-142016-12-19
1.7-132016-05-03
1.7-122015-03-16
1.7-112014-02-27
1.7-102013-06-14
1.7-92012-11-04
1.7-82012-10-06
1.7-72012-02-11
1.7-62011-11-02
1.7-52011-10-25
1.7-42011-08-22
1.7-32011-08-11
1.7-22011-07-23
1.7-12011-07-18
1.7-02011-07-12
1.6-52011-04-08
1.6-42010-07-09
1.6-32010-04-23
1.6-22009-11-23
1.6-12009-11-19
1.6-02009-11-18
1.5-72009-07-22
1.5-82009-07-22
1.5-62009-05-22
1.5-52009-02-05
1.5-42008-07-09
1.5-32008-04-22
1.5-22008-04-05
1.5-02008-03-14
1.4-22008-01-28
1.4-12007-12-14
1.4-02007-10-12
1.3-22007-06-26
1.3-12007-05-14
1.3-02007-04-20
1.2-22006-12-18
1.2-12006-09-19
1.2-02006-08-18
1.1-12006-07-03
1.1-02006-06-06
1.0-72006-05-22
1.0-62006-04-07
1.0-52006-02-06
1.0-42006-01-19
1.0-32005-12-01
1.0-22005-09-08
1.0-12005-06-22
1.0-02005-05-25
0.9-92005-04-27
0.9-12004-12-21
0.2-02004-08-12
0.1-42004-05-27
0.1-32004-04-14
0.1-22004-04-08
0.1-12004-02-20