Styl cytowania APA

Theen, R. H. W. (1919). Lenin: Genesis and development of a revolutionary.

Styl cytowania Chicago

Theen, Rolf H W. Lenin: Genesis and Development of a Revolutionary. New Jersey, Princeton University Press, 1919.

Styl cytowania MLA

Theen, Rolf H W. Lenin: Genesis and Development of a Revolutionary. 1919.