Παραπομπή σε μορφή APA (7η εκδ.)

Harkins, H. N., Nyhus, L. M., & Illingworth, C. (1969). Surgery of the stomach and duodenum (2nd edition.). Little, Brown.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Harkins, Henry N., Lloyd M. Nyhus, και Charles Illingworth. Surgery of the Stomach and Duodenum. 2nd edition. Boston: Little, Brown, 1969.

Παραπομπή σε μορφή MLA (8th εκδ.)

Harkins, Henry N., et al. Surgery of the Stomach and Duodenum. 2nd edition. Little, Brown, 1969.