Cita APA (7a ed.)

Fischer, R. J., & Green, G. (1992). Introduction to security (5. ed.). Butterworth-Heinemann.

Cita Chicago Style (17a ed.)

Fischer, Robert J., y Gion Green. Introduction to Security. 5. ed. Boston [u.a.]: Butterworth-Heinemann, 1992.

Cita MLA (8a ed.)

Fischer, Robert J., y Gion Green. Introduction to Security. 5. ed. Butterworth-Heinemann, 1992.