Cita APA (7a ed.)

Green, G. (1981). Introduction to security (3d ed.). Butterworth.

Cita Chicago Style (17a ed.)

Green, Gion. Introduction to Security. 3d ed. Boston: Butterworth, 1981.

Cita MLA (9a ed.)

Green, Gion. Introduction to Security. 3d ed. Butterworth, 1981.