APA (7th ed.) Citation

Morris, P. A. (1952). A field guide to shells of the Pacific coast and Hawaii; illustrated with photos. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Morris, Percy A. A Field Guide to Shells of the Pacific Coast and Hawaii; Illustrated with Photos. Boston: Houghton Mifflin, 1952.

MLA (9th ed.) Citation

Morris, Percy A. A Field Guide to Shells of the Pacific Coast and Hawaii; Illustrated with Photos. Houghton Mifflin, 1952.