APA (7th ed.) Citation

Sheehan, J. J. (1989). German history 1970-1866. Oxford University press.

Chicago Style (17th ed.) Citation

Sheehan, James J. German History 1970-1866. New York: Oxford University press, 1989.

MLA (9th ed.) Citation

Sheehan, James J. German History 1970-1866. Oxford University press, 1989.