Cita APA (7a ed.)

Tyler, P. (1956). Immigration and the United States. H.W. Wilson.

Cita Chicago Style (17a ed.)

Tyler, Poyntz. Immigration and the United States. New York: H.W. Wilson, 1956.

Cita MLA (9a ed.)

Tyler, Poyntz. Immigration and the United States. H.W. Wilson, 1956.