APA (7th ed.) Citation

Pflanze, O. (1990). The Period of Unification, 1815-1871.

Chicago Style (17th ed.) Citation

Pflanze, Otto. The Period of Unification, 1815-1871. 1990.

MLA (8th ed.) Citation

Pflanze, Otto. The Period of Unification, 1815-1871. 1990.

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