Style de citation APA

Livingston, R. G. (2001). From Harry S. to George W: German-American relations and American presidents. Bulletin of the German Historical Institute, 29, 15.

Style de citation Chicago

Livingston, Robert Gerald. "From Harry S. to George W: German-American Relations and American Presidents." Bulletin of the German Historical Institute 29 (2001): 15.

Style de citation MLA

Livingston, Robert Gerald. "From Harry S. to George W: German-American Relations and American Presidents." Bulletin of the German Historical Institute, 29, 2001, p. 15.