Cita APA (7a ed.)

Sinclair, A. T., & Black, G. F. (1917). American gypsies. The New York Public Library.

Cita Chicago Style (17a ed.)

Sinclair, Albert Thomas, y George Fraser Black. American Gypsies. [New York]: The New York Public Library, 1917.

Cita MLA (8a ed.)

Sinclair, Albert Thomas, y George Fraser Black. American Gypsies. The New York Public Library, 1917.