APA

Parsons L., Sommers S. C., . (1962). Gynecology. Philadelphia: W.B. Saunders Company.

Chicago

Parsons Langdon, Sommers Shelson C, . 1962. Gynecology. Philadelphia: W.B. Saunders Company.

Harvard

Parsons L., Sommers S. C., . (1962). Gynecology. Philadelphia: W.B. Saunders Company.

MLA

Parsons Langdon, Sommers Shelson C, . Gynecology. Philadelphia: W.B. Saunders Company. 1962.