Cita APA (7a ed.)

Wells, S., & Hanna, N. (1992). The greenpeace book of coral reefs. Cameron Books.

Cita Chicago Style (17a ed.)

Wells, Sue, y Nick Hanna. The Greenpeace Book of Coral Reefs. Dumfrieshire, Scotland: Cameron Books, 1992.

Cita MLA (9a ed.)

Wells, Sue, y Nick Hanna. The Greenpeace Book of Coral Reefs. Cameron Books, 1992.