Cita APA

Aubrey, H. G., & Darmstadter, J. (1961). Introduct: Economic challenge and response. National Planning Association.

Citación estilo Chicago

Aubrey, Henry G., and Joel Darmstadter. Introduct: Economic Challenge and Response. Washington: National Planning Association, 1961.

Cita MLA

Aubrey, Henry G., and Joel Darmstadter. Introduct: Economic Challenge and Response. National Planning Association, 1961.