APA (7th ed.) Citation

Johnstone, W. W., & Johnstone, J. A. (2018). Die by the gun. Kensington Books.

Chicago Style (17th ed.) Citation

Johnstone, William W., and J. A. Johnstone. Die by the Gun. New York, NY: Kensington Books, 2018.

MLA (8th ed.) Citation

Johnstone, William W., and J. A. Johnstone. Die by the Gun. Kensington Books, 2018.

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