Cita APA

Hoffman, B. L., Schorge, J. O., Schaffer, J. I., Halvorson, L. M., Bradshaw, K. D., Cunningham, F. G., & Calver, L. E. (2012). Williams gynecology (2nd.). McGraw-Hill Medical.

Citación estilo Chicago

Hoffman, Barbara L., John O. Schorge, Joseph I. Schaffer, Lisa M. Halvorson, Karen D. Bradshaw, F. Gary Cunningham, and Lewis E. Calver. Williams Gynecology. 2nd. New York: McGraw-Hill Medical, 2012.

Cita MLA

Hoffman, Barbara L., et al. Williams Gynecology. 2nd. McGraw-Hill Medical, 2012.