APA-viite (7. p.)

Opie, E. L. (1903). Disease of the pancreas: Its cause and nature. J.B. Lippincott Company.

Chicago-viite (17. p.)

Opie, Eugene L. Disease of the Pancreas: Its Cause and Nature. Philadelphia, London: J.B. Lippincott Company, 1903.

MLA-viite (8. p.)

Opie, Eugene L. Disease of the Pancreas: Its Cause and Nature. J.B. Lippincott Company, 1903.