APA (7th ed.) Citation

Chester, L., Fay, S., & Young, H. (1968). The Zinoviev letter. Lippincott.

Chicago Style (17th ed.) Citation

Chester, Lewis, Stephen Fay, and Hugo Young. The Zinoviev Letter. Philadelphia: Lippincott, 1968.

MLA (9th ed.) Citation

Chester, Lewis, et al. The Zinoviev Letter. Lippincott, 1968.