Cita APA (7a ed.)

Showalter, D. E. (2004). Tannenberg: Clash of empires, 1914. Brassey's.

Cita Chicago Style (17a ed.)

Showalter, Dennis E. Tannenberg: Clash of Empires, 1914. Washington, D.C.: Brassey's, 2004.

Cita MLA (8a ed.)

Showalter, Dennis E. Tannenberg: Clash of Empires, 1914. Brassey's, 2004.