Style de citation APA

Friend, J. W. (1991). The linchpin: French-German relations, 1950 - 1990. Praeger.

Style de citation Chicago

Friend, Julius W. The Linchpin: French-German Relations, 1950 - 1990. New York, NY [u.a.]: Praeger, 1991.

Style de citation MLA

Friend, Julius W. The Linchpin: French-German Relations, 1950 - 1990. Praeger, 1991.