APA način citiranja

Pearl Richard M. (1955). How to know the minerals and rocks. New York: The new American Library.

Čikaški stil citiranja

Pearl Richard M. How to Know the Minerals and Rocks. New York: The new American Library, 1955.

MLA način citiranja

Pearl Richard M. How to Know the Minerals and Rocks. New York: The new American Library, 1955.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.