Roberts, P. (1912). Immigrant races in North America (Ed. 2.). The Young men's Christian association press.
Chicago-стиль цитированияRoberts, Peter. Immigrant Races in North America. Ed. 2. New York: The Young men's Christian association press, 1912.
MLA-цитированиеRoberts, Peter. Immigrant Races in North America. Ed. 2. The Young men's Christian association press, 1912.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.