APA Style

Langman, J., Sadler, T, W. (2012). Langman's Medical embryology : Medical embryology (12th ed.). New Delhi; Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins.

MLA Style

Langman, Jan., Sadler, T, W. "Langman's Medical embryology : Medical embryology". 12th ed. New Delhi; Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2012. Text.