Não informado. (1949). American Heritage. American Association for State and Local History.
Style de citation Chicago (17e éd.)Não informado. American Heritage. Cooperstown, NY: American Association for State and Local History, 1949.
Style de citation MLA (8e éd.)Não informado. American Heritage. American Association for State and Local History, 1949.
Attention : ces citations peuvent ne pas être correctes à 100%.