APA (7th ed.) Citation

Pernoll, M. L., & Benson, R. C. (1987). Current obstetric y ginecologic diagnosis y treatment 1987. Appleton y lange.

Chicago Style (17th ed.) Citation

Pernoll, Martin L., and Ralph C. Benson. Current Obstetric Y Ginecologic Diagnosis Y Treatment 1987. California: Appleton y lange, 1987.

MLA (9th ed.) Citation

Pernoll, Martin L., and Ralph C. Benson. Current Obstetric Y Ginecologic Diagnosis Y Treatment 1987. Appleton y lange, 1987.