APA (7th ed.) Citation

Johnstone, W. W., & Johnstone, J. A. (2020). Shotgun Johnny. Pennacle Books, Kensington Publishing Corp..

Chicago Style (17th ed.) Citation

Johnstone, William W., and J. A. Johnstone. Shotgun Johnny. New York, NY: Pennacle Books, Kensington Publishing Corp., 2020.

MLA (8th ed.) Citation

Johnstone, William W., and J. A. Johnstone. Shotgun Johnny. Pennacle Books, Kensington Publishing Corp., 2020.

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