APA (7th ed.) Citation

Leiby, R. A. (1999). The unification of Germany, 1989-1990. Greenwood Press.

Chicago Style (17th ed.) Citation

Leiby, Richard A. The Unification of Germany, 1989-1990. Westport, Conn.: Greenwood Press, 1999.

MLA (9th ed.) Citation

Leiby, Richard A. The Unification of Germany, 1989-1990. Greenwood Press, 1999.