APA Style

Levinson, E, B, S, M, S, G. (). Anesthesia for obstetrics, 3rd ed . : Baltimore: Williams & Wilkins, 1993.

MLA Style

Levinson, Edited, By, Sol, M, Shnider,, Gerson. "Anesthesia for obstetrics, 3rd ed". : Baltimore: Williams & Wilkins, 1993, . BOOKS.