Cita APA (7a ed.)

Nalla, M., & Newman, G. R. (1990). A primer in private security. Harrow and Heston.

Cita Chicago Style (17a ed.)

Nalla, Mahesh, y Graeme R. Newman. A Primer in Private Security. New York: Harrow and Heston, 1990.

Cita MLA (9a ed.)

Nalla, Mahesh, y Graeme R. Newman. A Primer in Private Security. Harrow and Heston, 1990.