APA (7th ed.) Citation

Peterson, H. L., Blair, C., & Reid, W. (1963). The book of the gun. Paul Hamlyn.

Chicago Style (17th ed.) Citation

Peterson, Harold L., Claude Blair, and William Reid. The Book of the Gun. London: Paul Hamlyn, 1963.

MLA (9th ed.) Citation

Peterson, Harold L., et al. The Book of the Gun. Paul Hamlyn, 1963.