Cita APA (7a ed.)

Horne, J. (2012). A companion to World War I. Wiley-Blackwell.

Cita Chicago Style (17a ed.)

Horne, John. A Companion to World War I. Chichester: Wiley-Blackwell, 2012.

Cita MLA (9a ed.)

Horne, John. A Companion to World War I. Wiley-Blackwell, 2012.