Παραπομπή σε μορφή APA (7η εκδ.)

Postletkwait, R. W., & Dragstedt, L. R. (1963). Results of surgery for peptic ulcer: (a cooperative study by twelve veterans administration hospitals). W. B. Saunders.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Postletkwait, R. W., και Lester R. Dragstedt. Results of Surgery for Peptic Ulcer: (a Cooperative Study by Twelve Veterans Administration Hospitals). Philadelphia: W. B. Saunders, 1963.

Παραπομπή σε μορφή MLA (8th εκδ.)

Postletkwait, R. W., και Lester R. Dragstedt. Results of Surgery for Peptic Ulcer: (a Cooperative Study by Twelve Veterans Administration Hospitals). W. B. Saunders, 1963.