APA Style

S., B, J., F., H, N. (2015). Berek & Hacker,s Gynecologic Oncology (6thedtion). New York: Wolters Kuwer.

MLA Style

S., Berek, Jonathan., F., Hacker, Neville. "Berek & Hacker,s Gynecologic Oncology". 6thedtion New York: Wolters Kuwer, 2015. Text.