Cita APA (7th ed.)

Mason, G. F. (1970). Animal feet. William Morrow.

Cita Chicago (17th ed.)

Mason, George Frederick. Animal Feet. New York: William Morrow, 1970.

Cita MLA (9th ed.)

Mason, George Frederick. Animal Feet. William Morrow, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.