Ray, C. E. (1976). Phoca wymani and other tertiary seals (Mammalia: Phocidae) described from the eastern seaboard of North America. Smithsonian Institution Pr.
Chicago Style (17th ed.) CitationRay, Clayton E. Phoca Wymani and Other Tertiary Seals (Mammalia: Phocidae) Described from the Eastern Seaboard of North America. Washington, DC: Smithsonian Institution Pr, 1976.
MLA (9th ed.) CitationRay, Clayton E. Phoca Wymani and Other Tertiary Seals (Mammalia: Phocidae) Described from the Eastern Seaboard of North America. Smithsonian Institution Pr, 1976.
Warning: These citations may not always be 100% accurate.