APA (7th ed.) Citation

Langer, W. L. (1964). European alliances and alignments 1871 - 1890 (2. ed., 1. Vintage ed.). Vintage Books.

Chicago Style (17th ed.) Citation

Langer, William L. European Alliances and Alignments 1871 - 1890. 2. ed., 1. Vintage ed. New York: Vintage Books, 1964.

MLA (9th ed.) Citation

Langer, William L. European Alliances and Alignments 1871 - 1890. 2. ed., 1. Vintage ed. Vintage Books, 1964.