Cita APA (7a ed.)

Tollefson, M. (2019). R quick syntax reference: A pocket guide to the language, APIs and library (Second edition.). Apress.

Cita Chicago Style (17a ed.)

Tollefson, Margot. R Quick Syntax Reference: A Pocket Guide to the Language, APIs and Library. Second edition. [Berkeley, California]: Apress, 2019.

Cita MLA (8a ed.)

Tollefson, Margot. R Quick Syntax Reference: A Pocket Guide to the Language, APIs and Library. Second edition. Apress, 2019.