Cita APA (7a ed.)

Williams, G. B. (2007). Online Business Security Systems (1st ed. 2007.). Springer US : Imprint: Springer.

Cita Chicago Style (17a ed.)

Williams, Godfried B. Online Business Security Systems. 1st ed. 2007. New York, NY: Springer US : Imprint: Springer, 2007.

Cita MLA (8a ed.)

Williams, Godfried B. Online Business Security Systems. 1st ed. 2007. Springer US : Imprint: Springer, 2007.