APA استشهاد

Wren, M. C. (1968). Course of Russian history. Macmillan.

استشهاد بنمط شيكاغو

Wren, Melvin C. Course of Russian History. London: Macmillan, 1968.

MLA استشهاد

Wren, Melvin C. Course of Russian History. Macmillan, 1968.