Cita APA (7th ed.)

Busch, D. D. (2011). David Busch's compact field guide for the Nikon D90. Course Technology PTR.

Cita Chicago (17th ed.)

Busch, David D. David Busch's Compact Field Guide for the Nikon D90. Boston, MA: Course Technology PTR, 2011.

Cita MLA (9th ed.)

Busch, David D. David Busch's Compact Field Guide for the Nikon D90. Course Technology PTR, 2011.