Cita APA (7a ed.)

Seymour, W., & Stirling, D. (2006). British special forces. Pen & Sword Military.

Cita Chicago Style (17a ed.)

Seymour, William, y David Stirling. British Special Forces. Barnsley, South Yorkshire: Pen & Sword Military, 2006.

Cita MLA (9a ed.)

Seymour, William, y David Stirling. British Special Forces. Pen & Sword Military, 2006.