APA (7th ed.) Citation

Langer, W. L. (1950). European alliance and alignments, 1871-1890 / by W.L. Langer (2nd ed.). Knopf.

Chicago Style (17th ed.) Citation

Langer, W. L. European Alliance and Alignments, 1871-1890 / by W.L. Langer. 2nd ed. Knopf, 1950.

MLA (9th ed.) Citation

Langer, W. L. European Alliance and Alignments, 1871-1890 / by W.L. Langer. 2nd ed. Knopf, 1950.

Warning: These citations may not always be 100% accurate.