Cita APA (7th ed.)

Nobile, P., & Deedy, J. (1972). The complete ecology fact book. Anchor Books.

Cita Chicago (17th ed.)

Nobile, Philip, i John Deedy. The Complete Ecology Fact Book. Garden City, NY: Anchor Books, 1972.

Cita MLA (9th ed.)

Nobile, Philip, i John Deedy. The Complete Ecology Fact Book. Anchor Books, 1972.