Cita APA (7th ed.)

Horne, J. (2010). A companion to World War I. Wiley-Blackwell.

Cita Chicago (17th ed.)

Horne, John. A Companion to World War I. Malden, MA: Wiley-Blackwell, 2010.

Cita MLA (8th ed.)

Horne, John. A Companion to World War I. Wiley-Blackwell, 2010.