APA (7th ed.) Citation

Cahill, A. L. (1980). The 13th gun. Tower Books.

Chicago Style (17th ed.) Citation

Cahill, A. L. The 13th Gun. New York: Tower Books, 1980.

MLA (8th ed.) Citation

Cahill, A. L. The 13th Gun. Tower Books, 1980.

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