APA
(1991). Gynecologic Oncology. U.S.A: The American Society of Biological Chemists, Inc.
Chicago
1991. Gynecologic Oncology. U.S.A: The American Society of Biological Chemists, Inc.
Harvard
(1991). Gynecologic Oncology. U.S.A: The American Society of Biological Chemists, Inc.
MLA
Gynecologic Oncology. U.S.A: The American Society of Biological Chemists, Inc. 1991.