Cita APA (7a ed.)

Ware, K., & Callahan, H. M. (2001). Elemental landscapes: Photographs by Harry Callahan. Philadelphia Museum of Art.

Cita Chicago Style (17a ed.)

Ware, Katherine, y Harry M. Callahan. Elemental Landscapes: Photographs by Harry Callahan. Philadelphia, PA: Philadelphia Museum of Art, 2001.

Cita MLA (8a ed.)

Ware, Katherine, y Harry M. Callahan. Elemental Landscapes: Photographs by Harry Callahan. Philadelphia Museum of Art, 2001.