APA (7th ed.) Citation
Caldwell, E., & Bourke-White, M. (1941). Say, is this the U.S.A: Erskine Caldwell and Margaret Bourke-White. Duell, Sloan and Pearce.
Chicago Style (17th ed.) Citation
Caldwell, Erskine, and Margaret Bourke-White. Say, Is This the U.S.A: Erskine Caldwell and Margaret Bourke-White. New York: Duell, Sloan and Pearce, 1941.
MLA (9th ed.) Citation
Caldwell, Erskine, and Margaret Bourke-White. Say, Is This the U.S.A: Erskine Caldwell and Margaret Bourke-White. Duell, Sloan and Pearce, 1941.
Warning: These citations may not always be 100% accurate.