Cita APA (7a ed.)

Weber, D., & Laumer, K. (2007). Old soldiers. Baen Publishing Enterprises.

Cita Chicago Style (17a ed.)

Weber, David, y Keith Laumer. Old Soldiers. Riverdale: Baen Publishing Enterprises, 2007.

Cita MLA (9a ed.)

Weber, David, y Keith Laumer. Old Soldiers. Baen Publishing Enterprises, 2007.