Cita APA (7a ed.)

Sawle, B. (2010). Photographing San Francisco digital field guide. Wiley.

Cita Chicago Style (17a ed.)

Sawle, Bruce. Photographing San Francisco Digital Field Guide. Indianapolis, Ind.: Wiley, 2010.

Cita MLA (8a ed.)

Sawle, Bruce. Photographing San Francisco Digital Field Guide. Wiley, 2010.