Style de citation APA (7e éd.)

Gallup, G. H. (2018). The Religious Faiths of the American People, from George Gallup, American Institute of Public Opinion (December 9, 1944). A guide to the religions in America, 237.

Style de citation Chicago (17e éd.)

Gallup, George Horace. "The Religious Faiths of the American People, from George Gallup, American Institute of Public Opinion (December 9, 1944)." A Guide to the Religions in America 2018: 237.

Style de citation MLA (8e éd.)

Gallup, George Horace. "The Religious Faiths of the American People, from George Gallup, American Institute of Public Opinion (December 9, 1944)." A Guide to the Religions in America, 2018, p. 237.