Cita APA (7a ed.)

Bagley, W. C., & Perdew, R. M. (1951). Understanding economics. Macmillan.

Cita Chicago Style (17a ed.)

Bagley, William Chandler, y Richard Melville Perdew. Understanding Economics. New York: Macmillan, 1951.

Cita MLA (8a ed.)

Bagley, William Chandler, y Richard Melville Perdew. Understanding Economics. Macmillan, 1951.