APA (7th ed.) Citation

Busch, D. D. (2008). Canon EOS 40D guide to digital photography. Thomson Course Technology.

Chicago Style (17th ed.) Citation

Busch, David D. Canon EOS 40D Guide to Digital Photography. Boston, MA: Thomson Course Technology, 2008.

MLA (9th ed.) Citation

Busch, David D. Canon EOS 40D Guide to Digital Photography. Thomson Course Technology, 2008.

Warning: These citations may not always be 100% accurate.