Cita APA (7th ed.)

Watson, L. (1973). Supernature ([1st ed. in U.S.].). Anchor Press.

Cita Chicago (17th ed.)

Watson, Lyall. Supernature. [1st ed. in U.S.]. Garden City, N.Y: Anchor Press, 1973.

Cita MLA (9th ed.)

Watson, Lyall. Supernature. [1st ed. in U.S.]. Anchor Press, 1973.

Atenció: Aquestes cites poden no estar 100% correctes.