Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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