Cita APA (7a ed.)

Rubin, E. (1949). Unemployment of aliens in the United States, 1940.

Cita Chicago Style (17a ed.)

Rubin, Ernest. Unemployment of Aliens in the United States, 1940. New York, 1949.

Cita MLA (9a ed.)

Rubin, Ernest. Unemployment of Aliens in the United States, 1940. 1949.