APA (7th ed.) Citation

Wienert, V., Raulf, F., & Mlitz, H. (2017). Anal Fissure: Symptoms, Diagnosis and Therapies. Springer International Publishing : Imprint: Springer.

Chicago Style (17th ed.) Citation

Wienert, Volker, Franz Raulf, and Horst Mlitz. Anal Fissure: Symptoms, Diagnosis and Therapies. Cham: Springer International Publishing : Imprint: Springer, 2017.

MLA (8th ed.) Citation

Wienert, Volker, et al. Anal Fissure: Symptoms, Diagnosis and Therapies. Springer International Publishing : Imprint: Springer, 2017.