APA (7th ed.) Citation

Hupp, B., & Malone, M. (2008). The edge of the Sea of Cortez: Tidewalkers' guide to the upper Gulf of California. Operculum.

Chicago Style (17th ed.) Citation

Hupp, Betty, and Marilyn Malone. The Edge of the Sea of Cortez: Tidewalkers' Guide to the Upper Gulf of California. Tucson, Ariz.: Operculum, 2008.

MLA (8th ed.) Citation

Hupp, Betty, and Marilyn Malone. The Edge of the Sea of Cortez: Tidewalkers' Guide to the Upper Gulf of California. Operculum, 2008.