Robert Henri and his Circle.

MLA

Homer, William Innes, and Violet Organ. Robert Henri and His Circle. New York City: Hacker Art Books, 1988.

APA

Homer, W. Innes, & Organ, V. (1988). Robert Henri and his Circle. New York City: Hacker Art Books.

Chicago

Homer, William Innes, and Violet Organ. Robert Henri and His Circle. New York City: Hacker Art Books, 1988.