APA (7th ed.) Citation

Pearl, R. M. (1955). How to Know the minerals and rocks. New America Library.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Pearl, Richard M. How to Know the Minerals and Rocks. New America Library, 1955.