Cita APA (7a ed.)

Tonso, W. R. (1990). The gun culture and its enemies. Second Amendment Foundation.

Cita Chicago Style (17a ed.)

Tonso, William R. The Gun Culture and Its Enemies. Washington, DC: Second Amendment Foundation, 1990.

Cita MLA (8a ed.)

Tonso, William R. The Gun Culture and Its Enemies. Second Amendment Foundation, 1990.