Cita APA (7th ed.)

Wilson, R. C., & Wilson, L. (1939). The woes of the crows. Lorenz.

Cita Chicago (17th ed.)

Wilson, Roger C., i Lucille Wilson. The Woes of the Crows. New York: Lorenz, 1939.

Cita MLA (9th ed.)

Wilson, Roger C., i Lucille Wilson. The Woes of the Crows. Lorenz, 1939.