Cita APA (7a ed.)

Roberts, P. (1912). Immigrant races in North America (Ed. 2.). The Young men's Christian association press.

Cita Chicago Style (17a ed.)

Roberts, Peter. Immigrant Races in North America. Ed. 2. New York: The Young men's Christian association press, 1912.

Cita MLA (8a ed.)

Roberts, Peter. Immigrant Races in North America. Ed. 2. The Young men's Christian association press, 1912.