Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.