Cita APA (7th ed.)
(1981). The friendly beasts. G.P. Putnam Publishers.
Cita Chicago (17th ed.)
The Friendly Beasts. New York: G.P. Putnam Publishers, 1981.
Cita MLA (9th ed.)
The Friendly Beasts. G.P. Putnam Publishers, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.