APA (7th ed.) Citation

Page, B., Leitch, D., & Knightley, P. (1968). The Philby conspiracy. Doubleday.

Chicago Style (17th ed.) Citation

Page, Bruce, David Leitch, and Phillip Knightley. The Philby Conspiracy. Garden City/N.Y: Doubleday, 1968.

MLA (9th ed.) Citation

Page, Bruce, et al. The Philby Conspiracy. Doubleday, 1968.