APA Style

Burdick, C, B., Lutz, R, H. ([s.a]). The political institutions of the German revolution 1918-1919 . New York: Frederick A. Praeger.

MLA Style

Burdick, Charles, B.., Lutz, Ralph, H.. "The political institutions of the German revolution 1918-1919". New York: Frederick A. Praeger, [s.a]. Buku.