Cita APA (7a ed.)

Murray, W., & Keegan, J. (1999). War in the air, 1914-45. Cassell.

Cita Chicago Style (17a ed.)

Murray, Williamson, y John Keegan. War in the Air, 1914-45. London: Cassell, 1999.

Cita MLA (9a ed.)

Murray, Williamson, y John Keegan. War in the Air, 1914-45. Cassell, 1999.