APA (7th ed.) Citation

American Folk Art Museum, Wertkin, G. C., & Kogan, L. (2004). Encyclopedia of American folk art. Routledge.

Chicago Style (17th ed.) Citation

American Folk Art Museum, Gerard C. Wertkin, and Lee Kogan. Encyclopedia of American Folk Art. New York: Routledge, 2004.

MLA (9th ed.) Citation

American Folk Art Museum, et al. Encyclopedia of American Folk Art. Routledge, 2004.