APA (7th ed.) Citation

Quertermous. (1981). Modern guns: Identification and values. Collector Books.

Chicago Style (17th ed.) Citation

Quertermous. Modern Guns: Identification and Values. Kentucky: Collector Books, 1981.

MLA (8th ed.) Citation

Quertermous. Modern Guns: Identification and Values. Collector Books, 1981.

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