Cita APA (7th ed.)

Haveman, R. H., & Knopf, K. A. (1970). The market system (2nd.). John Wiley & Sons.

Cita Chicago (17th ed.)

Haveman, Robert H., i Kenyon A. Knopf. The Market System. 2nd. New York: John Wiley & Sons, 1970.

Cita MLA (9th ed.)

Haveman, Robert H., i Kenyon A. Knopf. The Market System. 2nd. John Wiley & Sons, 1970.