Cita APA (7a ed.)

Childs, J., & Keegan, J. (2001). Warfare in the seventeenth century. Cassell.

Cita Chicago Style (17a ed.)

Childs, John, y John Keegan. Warfare in the Seventeenth Century. London: Cassell, 2001.

Cita MLA (9a ed.)

Childs, John, y John Keegan. Warfare in the Seventeenth Century. Cassell, 2001.