Cita APA (7a ed.)

Frickey, E. (1942). Economic fluctuations in the United States. Harvard University press.

Cita Chicago Style (17a ed.)

Frickey, Edwin. Economic Fluctuations in the United States. Cambridge: Harvard University press, 1942.

Cita MLA (9a ed.)

Frickey, Edwin. Economic Fluctuations in the United States. Harvard University press, 1942.