APA (7th ed.) Citation

ebrary, Inc, Sileri, P., & Gaspari, A. (2012). Anal fissure: Symptoms, diagnosis and treatment. Nova Science Publishers.

Chicago Style (17th ed.) Citation

ebrary, Inc, Pierpaolo Sileri, and Achille Gaspari. Anal Fissure: Symptoms, Diagnosis and Treatment. Hauppauge, N.Y.: Nova Science Publishers, 2012.

MLA (9th ed.) Citation

ebrary, Inc, et al. Anal Fissure: Symptoms, Diagnosis and Treatment. Nova Science Publishers, 2012.