Cita APA (7a ed.)

(1966). A field guide to shells of the Pacific Coast and Hawaii, including shells of the Gulf of California.

Cita Chicago Style (17a ed.)

A Field Guide to Shells of the Pacific Coast and Hawaii, Including Shells of the Gulf of California. 1966.

Cita MLA (9a ed.)

A Field Guide to Shells of the Pacific Coast and Hawaii, Including Shells of the Gulf of California. 1966.