Cita APA (7a ed.)

Lehman, P. E. (1973). Law of the gun. Gold Lion Books.

Cita Chicago Style (17a ed.)

Lehman, Paul Evan. Law of the Gun. London: Gold Lion Books, 1973.

Cita MLA (8a ed.)

Lehman, Paul Evan. Law of the Gun. Gold Lion Books, 1973.