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.
Precaución: Estas citas no son 100% exactas.