APA (7th ed.) Citation

Windrow, Russell, & Katz. (1988). Men-at-arms: Armies in Lebanon. Osprey.

Chicago Style (17th ed.) Citation

Windrow, Russell, and Katz. Men-at-arms: Armies in Lebanon. London: Osprey, 1988.

MLA (8th ed.) Citation

Windrow, et al. Men-at-arms: Armies in Lebanon. Osprey, 1988.