APA استشهاد

Hudson, G. F. (1968). Fifty Years of Communism. C.A. Watts.

استشهاد بنمط شيكاغو

Hudson, G F. Fifty Years of Communism. London: C.A. Watts, 1968.

MLA استشهاد

Hudson, G F. Fifty Years of Communism. C.A. Watts, 1968.