APA (7th ed.) Citation

Lutz, H., & Dickes, E. W. (1928). Lord Grey and the World War. A.A. Knopf.

Chicago Style (17th ed.) Citation

Lutz, Hermann, and E. W. Dickes. Lord Grey and the World War. New York: A.A. Knopf, 1928.

MLA (9th ed.) Citation

Lutz, Hermann, and E. W. Dickes. Lord Grey and the World War. A.A. Knopf, 1928.