APA (7th ed.) Citation

Zander, S., Armitage, G., & Branch, P. Covert channels and countermeasures in computer network protocols. IEEE Communications magazine.

Chicago Style (17th ed.) Citation

Zander, Sebastian, Grenville Armitage, and Philip Branch. "Covert Channels and Countermeasures in Computer Network Protocols." IEEE Communications Magazine .

MLA (9th ed.) Citation

Zander, Sebastian, et al. "Covert Channels and Countermeasures in Computer Network Protocols." IEEE Communications Magazine, .