Cita APA (7th ed.)

Brown, L. R., & Eckholm, E. P. (1974). By bread alone. Praeger.

Cita Chicago (17th ed.)

Brown, Lester Russell, i Erik P. Eckholm. By Bread Alone. New York: Praeger, 1974.

Cita MLA (8th ed.)

Brown, Lester Russell, i Erik P. Eckholm. By Bread Alone. Praeger, 1974.

Atenció: Aquestes cites poden no estar 100% correctes.