APA Style

Berek, J, S. (2015). Berek & Hacker's GYNECOLOGIC ONCOLOGY (6th edn.). Philadelphia: Wolters Kluwer.

MLA Style

Berek, Jonathan, S.. "Berek & Hacker's GYNECOLOGIC ONCOLOGY". 6th edn. Philadelphia: Wolters Kluwer, 2015. Text.