APA

Helen Farr Sloan, .New York etchings (1905-1949) / Grabados de Nueva York (1905-1949). New York: DOVER PUBLICATIONS.

Chicago

Helen Farr Sloan, .New York etchings (1905-1949) / Grabados de Nueva York (1905-1949). New York: DOVER PUBLICATIONS.

Harvard

Helen Farr Sloan, .New York etchings (1905-1949) / Grabados de Nueva York (1905-1949). New York: DOVER PUBLICATIONS.

MLA

Helen Farr Sloan, .New York: DOVER PUBLICATIONS. .