APA

Tyler P., . (1956). Immigration and the United States. New York: H.W. Wilson Co.

Chicago

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

Harvard

Tyler P., . (1956). Immigration and the United States. New York: H.W. Wilson Co.

MLA

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