APA (7th ed.) Citation

Leon, A. L. (2009). Colt collection of Allen Leon. [publisher not identified].

Chicago Style (17th ed.) Citation

Leon, Allen L. Colt Collection of Allen Leon. [United States?]: [publisher not identified], 2009.

MLA (9th ed.) Citation

Leon, Allen L. Colt Collection of Allen Leon. [publisher not identified], 2009.

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