Cita APA (7th ed.)

Emmerling, L., & Buhlmann, B. E. (2004). Friendly fire.

Cita Chicago (17th ed.)

Emmerling, Leonhard, i Britta E. Buhlmann. Friendly Fire. Kaiserslautern, 2004.

Cita MLA (8th ed.)

Emmerling, Leonhard, i Britta E. Buhlmann. Friendly Fire. 2004.