APA استشهاد

Pflanze, O. (1968). unification of Germany. Holt, Rinehart and Winston, Inc.

استشهاد بنمط شيكاغو

Pflanze, Otto. Unification of Germany. New York: Holt, Rinehart and Winston, Inc, 1968.

MLA استشهاد

Pflanze, Otto. Unification of Germany. Holt, Rinehart and Winston, Inc, 1968.