Styl cytowania APA

Niebuhr, R., Morgenthau, H. J., & Becker, H. P. 1. V. (1951). Germany and the future of Europe. University of Chicago Press.

Styl cytowania Chicago

Niebuhr, Reinhold, Hans Joachim Morgenthau, i Howard Paul 1899-1960 Verfasser Becker. Germany and the Future of Europe. Chicago: University of Chicago Press, 1951.

Styl cytowania MLA

Niebuhr, Reinhold, et al. Germany and the Future of Europe. University of Chicago Press, 1951.