APA (7th ed.) Citation

Sefton, N., & Webster, S. K. (1986). A field guide to Caribbean reef invertebrates. Sea Challengers.

Chicago Style (17th ed.) Citation

Sefton, Nancy, and Steven K. Webster. A Field Guide to Caribbean Reef Invertebrates. Monterey, Calif.: Sea Challengers, 1986.

MLA (9th ed.) Citation

Sefton, Nancy, and Steven K. Webster. A Field Guide to Caribbean Reef Invertebrates. Sea Challengers, 1986.