Four American primitives: Edward Hicks, John Kane, Anna Mary Robertson Moses, Horace Pippin.

MLA

ACA Galleries. and Gotham Book Mart Collection (University of Pennsylvania). Four American primitives: Edward Hicks, John Kane, Anna Mary Robertson Moses, Horace Pippin. New York, [publisher not identified], [1972]

APA

ACA Galleries. & Gotham Book Mart Collection (University of Pennsylvania). (1972). Four American primitives: Edward Hicks, John Kane, Anna Mary Robertson Moses, Horace Pippin. New York, [publisher not identified].

Chicago

ACA Galleries. and Gotham Book Mart Collection (University of Pennsylvania). Four American primitives: Edward Hicks, John Kane, Anna Mary Robertson Moses, Horace Pippin. New York, [publisher not identified], [1972]