APA (7th ed.) Citation

(2007). The gun digest book of modern gun values: Pricing for firearms from 1900 to present (14 ed.). Gun Digest Books.

Chicago Style (17th ed.) Citation

The Gun Digest Book of Modern Gun Values: Pricing for Firearms from 1900 to Present. 14 ed. Ioi: Gun Digest Books, 2007.

MLA (8th ed.) Citation

The Gun Digest Book of Modern Gun Values: Pricing for Firearms from 1900 to Present. 14 ed. Gun Digest Books, 2007.