APA

Beckerman A. P., Childs D. Z. & Petchey O. L. (2017). Getting started with R. New York: Oxford University press.

Chicago

Beckerman Andrew P, Childs Dylan Z and Petchey Owen L. 2017. Getting started with R. New York: Oxford University press.

Harvard

Beckerman A. P., Childs D. Z. and Petchey O. L. (2017). Getting started with R. New York: Oxford University press.

MLA

Beckerman Andrew P, Childs Dylan Z and Petchey Owen L. Getting started with R. New York: Oxford University press. 2017.