Cita APA (7a ed.)

Morales, J. O. (1943). A credit study of 167 tobacco farms, Puerto Rico, 1939-40.

Cita Chicago Style (17a ed.)

Morales, Julio O. A Credit Study of 167 Tobacco Farms, Puerto Rico, 1939-40. [Ithaca, N.Y.], 1943.

Cita MLA (8a ed.)

Morales, Julio O. A Credit Study of 167 Tobacco Farms, Puerto Rico, 1939-40. 1943.