McDonagh, E. C., & Richards, E. S. (1953). Ethnic relations in the United States. Appleton-Century-Crofts.
Citazione stile Chigago Style (17a edizione)McDonagh, Edward C., e Eugene S. Richards. Ethnic Relations in the United States. New York: Appleton-Century-Crofts, 1953.
Citatione MLA (8a ed.)McDonagh, Edward C., e Eugene S. Richards. Ethnic Relations in the United States. Appleton-Century-Crofts, 1953.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.