APA (7th ed.) Citation

Witkop, P., & Wedd, A. F. (1929). German students' war letters. E.P. Dutton.

Chicago Style (17th ed.) Citation

Witkop, Philipp, and A. F. Wedd. German Students' War Letters. New York: E.P. Dutton, 1929.

MLA (9th ed.) Citation

Witkop, Philipp, and A. F. Wedd. German Students' War Letters. E.P. Dutton, 1929.