Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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