Cita APA

Colm, G., & Geiger, T. (1961). The Economy of the American people (2nd ed.). National Planning Association.

Citación estilo Chicago

Colm, Gerhard, and Theodore Geiger. The Economy of the American People. 2nd ed. Washington, D.C: National Planning Association, 1961.

Cita MLA

Colm, Gerhard, and Theodore Geiger. The Economy of the American People. 2nd ed. National Planning Association, 1961.