Cita APA (7th ed.)

Morris, P. A. (1966). A field guide to Pacific Coast skills: Including shells of Hawaii and the Gulf of California (2nd rev. & enl. ed.). Houghton Mifflin.

Cita Chicago (17th ed.)

Morris, Percy A. A Field Guide to Pacific Coast Skills: Including Shells of Hawaii and the Gulf of California. 2nd rev. & enl. ed. Boston: Houghton Mifflin, 1966.

Cita MLA (9th ed.)

Morris, Percy A. A Field Guide to Pacific Coast Skills: Including Shells of Hawaii and the Gulf of California. 2nd rev. & enl. ed. Houghton Mifflin, 1966.