APA (7th ed.) Citation

Harrer, K., & Knoll, T. (2014). Urethritis. Urology at a glance.

Chicago Style (17th ed.) Citation

Harrer, Katrin, and Thomas Knoll. "Urethritis." Urology at a Glance 2014.

MLA (9th ed.) Citation

Harrer, Katrin, and Thomas Knoll. "Urethritis." Urology at a Glance, 2014.

Warning: These citations may not always be 100% accurate.