APA-Zitierstil (7. Ausg.)

Simmons, A. C. (2015). Once more unto the breach: Managing information security in an uncertain world (Second edition.). IT Governance Publishing.

Chicago-Zitierstil (17. Ausg.)

Simmons, Andrea C. Once More Unto the Breach: Managing Information Security in an Uncertain World. Second edition. Cambridgeshire, England: IT Governance Publishing, 2015.

MLA-Zitierstil (9. Ausg.)

Simmons, Andrea C. Once More Unto the Breach: Managing Information Security in an Uncertain World. Second edition. IT Governance Publishing, 2015.