APA Citation

Tollefson, M. R 4 quick syntax reference: A pocket guide to the language, API's and library (Third edition.).

Chicago Style Citation

Tollefson, Margot. R 4 Quick Syntax Reference: A Pocket Guide to the Language, API's and Library. Third edition.

MLA Citation

Tollefson, Margot. R 4 Quick Syntax Reference: A Pocket Guide to the Language, API's and Library. Third edition.

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