Cita APA (7th ed.)

Klein, L. R. (1950). Economic fluctuations in the United States. Wiley.

Cita Chicago (17th ed.)

Klein, Lawrence R. Economic Fluctuations in the United States. New York: Wiley, 1950.

Cita MLA (9th ed.)

Klein, Lawrence R. Economic Fluctuations in the United States. Wiley, 1950.