APA Style

Halpern, P, G. (1997). A Naval History of World War I / Paul G. Halpern (2). Annapolis, MD: Naval Institute Press.

MLA Style

Halpern, Paul, G.. "A Naval History of World War I / Paul G. Halpern". 2 Annapolis, MD: Naval Institute Press, 1997. Textbook ห้องสมุดทั่วไป.