Cita APA (7a ed.)

Purpura, P. P. (1991). Security and loss prevention: An introduction (2. ed.). Butterworth-Heinemann.

Cita Chicago Style (17a ed.)

Purpura, Philip P. Security and Loss Prevention: An Introduction. 2. ed. Boston [u.a.]: Butterworth-Heinemann, 1991.

Cita MLA (9a ed.)

Purpura, Philip P. Security and Loss Prevention: An Introduction. 2. ed. Butterworth-Heinemann, 1991.