Citazione Stile APA (7a Edizione)

Bonica, J. J., & McDonald, J. S. (1995). Principles and practice of obstetric analgesia and anesthesia (2nd ed.). Williams & Wilkins.

Citazione stile Chigago Style (17a edizione)

Bonica, John J., e John S. McDonald. Principles and Practice of Obstetric Analgesia and Anesthesia. 2nd ed. Baltimore: Williams & Wilkins, 1995.

Citatione MLA (9a ed.)

Bonica, John J., e John S. McDonald. Principles and Practice of Obstetric Analgesia and Anesthesia. 2nd ed. Williams & Wilkins, 1995.