APA (7th ed.) Citation

Keen, A. M., & Coan, E. V. (1974). Marine molluscan genera of western North America: An illustrated key (2d ed.). Stanford University Press.

Chicago Style (17th ed.) Citation

Keen, A. Myra, and Eugene V. Coan. Marine Molluscan Genera of Western North America: An Illustrated Key. 2d ed. Stanford, Calif.: Stanford University Press, 1974.

MLA (8th ed.) Citation

Keen, A. Myra, and Eugene V. Coan. Marine Molluscan Genera of Western North America: An Illustrated Key. 2d ed. Stanford University Press, 1974.