APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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