APA (7th ed.) Citation

Zeman, Z. A. B. (1971). The gentlemen negotiators: A diplomatic history of the First World War ([1st American ed.].). Macmillan.

Chicago Style (17th ed.) Citation

Zeman, Z. A. B. The Gentlemen Negotiators: A Diplomatic History of the First World War. [1st American ed.]. New York: Macmillan, 1971.

MLA (9th ed.) Citation

Zeman, Z. A. B. The Gentlemen Negotiators: A Diplomatic History of the First World War. [1st American ed.]. Macmillan, 1971.