APA (7th ed.) Citation

(1966). A field guide to Pacific coast shells: Including shells of Hawaii and the Gulf of California / by Percy A. Morris.

Chicago Style (17th ed.) Citation

A Field Guide to Pacific Coast Shells: Including Shells of Hawaii and the Gulf of California / by Percy A. Morris. 1966.

MLA (9th ed.) Citation

A Field Guide to Pacific Coast Shells: Including Shells of Hawaii and the Gulf of California / by Percy A. Morris. 1966.