Cita APA (7a ed.)

Treanor, W. W., & Bijlefeld, M. (1989). Kids & guns (2. ed.). American Youth Work Center [u.a.].

Cita Chicago Style (17a ed.)

Treanor, William W., y Marjolijn Bijlefeld. Kids & Guns. 2. ed. Washington, DC: American Youth Work Center [u.a.], 1989.

Cita MLA (9a ed.)

Treanor, William W., y Marjolijn Bijlefeld. Kids & Guns. 2. ed. American Youth Work Center [u.a.], 1989.