APA (7th ed.) Citation

Hargreaves, D. (1991). Bismarck and German unification. MacMillan.

Chicago Style (17th ed.) Citation

Hargreaves, David. Bismarck and German Unification. Basingstoke: MacMillan, 1991.

MLA (9th ed.) Citation

Hargreaves, David. Bismarck and German Unification. MacMillan, 1991.

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