APA

Menguy R., . (1976). Surgery of peptic ulcer. Philadelphia: W.B. Saunders Company.

Chicago

Menguy René, . 1976. Surgery of peptic ulcer. Philadelphia: W.B. Saunders Company.

Harvard

Menguy R., . (1976). Surgery of peptic ulcer. Philadelphia: W.B. Saunders Company.

MLA

Menguy René, . Surgery of peptic ulcer. Philadelphia: W.B. Saunders Company. 1976.