Citazione Stile APA (7a Edizione)

Swartz, W. H., Willems, J. J., & Lim, K. B. (1982). Obstetrics and gynecology: Pretest self-assessment and review (2nd ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Swartz, William H., John J. Willems, e Kiat B. Lim. Obstetrics and Gynecology: Pretest Self-assessment and Review. 2nd ed. New York: McGraw-Hill, 1982.

Citatione MLA (9a ed.)

Swartz, William H., et al. Obstetrics and Gynecology: Pretest Self-assessment and Review. 2nd ed. McGraw-Hill, 1982.