APA استشهاد

Trotsky, L. (1965). History of the Russian Revolution. Sphere books.

استشهاد بنمط شيكاغو

Trotsky, Leon. History of the Russian Revolution. London: Sphere books, 1965.

MLA استشهاد

Trotsky, Leon. History of the Russian Revolution. Sphere books, 1965.