APA (7th ed.) Citation

Cull, B., Lander, B., & Weiss, H. (1995). Twelve days in May. Grub Street.

Chicago Style (17th ed.) Citation

Cull, Brian, Bruce Lander, and Heinrich Weiss. Twelve Days in May. London: Grub Street, 1995.

MLA (9th ed.) Citation

Cull, Brian, et al. Twelve Days in May. Grub Street, 1995.