Cita APA (7a ed.)

Pearl, R. M. (1955). How to know the minerals and rocks. McGraw-Hill.

Cita Chicago Style (17a ed.)

Pearl, Richard M. How to Know the Minerals and Rocks. New York: McGraw-Hill, 1955.

Cita MLA (8a ed.)

Pearl, Richard M. How to Know the Minerals and Rocks. McGraw-Hill, 1955.