APA (7th ed.) Citation

Pearl, R. M. (1964). American gem trails ([1st ed.].). McGraw-Hill.

Chicago Style (17th ed.) Citation

Pearl, Richard M. American Gem Trails. [1st ed.]. New York: McGraw-Hill, 1964.

MLA (9th ed.) Citation

Pearl, Richard M. American Gem Trails. [1st ed.]. McGraw-Hill, 1964.