APA (7th ed.) Citation

Blackmore, H. L. (1965). Guns and rifles of the world. Viking Press.

Chicago Style (17th ed.) Citation

Blackmore, Howard L. Guns and Rifles of the World. New York: Viking Press, 1965.

MLA (9th ed.) Citation

Blackmore, Howard L. Guns and Rifles of the World. Viking Press, 1965.