APA (7th ed.) Citation

Hagen, W. W. (2012). German history in modern times: Four lives of the nation. Cambridge University Press.

Chicago Style (17th ed.) Citation

Hagen, William W. German History in Modern Times: Four Lives of the Nation. New York: Cambridge University Press, 2012.

MLA (9th ed.) Citation

Hagen, William W. German History in Modern Times: Four Lives of the Nation. Cambridge University Press, 2012.