Gaya APA

Rayburn, W, F. (1986). Drug Therapy in Obstetries and Gynecology (2nd ed). Norwalk: Appleton-Century Crofts.

Gaya MLA

Rayburn, William, F. "Drug Therapy in Obstetries and Gynecology". 2nd ed Norwalk: Appleton-Century Crofts, 1986. print.