Cita APA

Kent, G. O., Arnim, H. G. v., & Bismarck, O. v. (1968). Arnim and Bismarck. Clarendon Pr.

Citación estilo Chicago

Kent, George Otto, Harry Graf von Arnim, y Otto von Bismarck. Arnim and Bismarck. Oxford: Clarendon Pr, 1968.

Cita MLA

Kent, George Otto, et al. Arnim and Bismarck. Clarendon Pr, 1968.