APA (7th ed.) Citation

Wickham, H. (2015). R Packages (1st edition.). O'Reilly Media, Inc..

Chicago Style (17th ed.) Citation

Wickham, Hadley. R Packages. 1st edition. O'Reilly Media, Inc., 2015.

MLA (9th ed.) Citation

Wickham, Hadley. R Packages. 1st edition. O'Reilly Media, Inc., 2015.

Warning: These citations may not always be 100% accurate.