APA način citiranja

Longwell, C. R., & Flint, R. F. Introduction to physical geology (6th ed.).

Čikaški stil citiranja

Longwell, Chester R., i Richard F. Flint. Introduction to Physical Geology. 6th ed.

MLA način citiranja

Longwell, Chester R., i Richard F. Flint. Introduction to Physical Geology. 6th ed.