APA Style

Dutta, D, C., Konar, H. (). Textbook of Obstetrics : Including Perinatology and Contraception (9th ed). New Delhi: Jaypee.

MLA Style

Dutta, D, C., Konar, Hiralal. "Textbook of Obstetrics : Including Perinatology and Contraception". 9th ed New Delhi: Jaypee, . Text.