APA (7th ed.) Citation

VON SENGER & GUBITZ. (1993). The book of stratagems: Tactics for triumph and survival. Penguin Books.

Chicago Style (17th ed.) Citation

VON SENGER and GUBITZ. The Book of Stratagems: Tactics for Triumph and Survival. New York: Penguin Books, 1993.

MLA (8th ed.) Citation

VON SENGER and GUBITZ. The Book of Stratagems: Tactics for Triumph and Survival. Penguin Books, 1993.