APA Alıntı

Grace, L., & James, B. (1974). Revolution and evolution in the twentieth century.

Chicago Stili Alıntı

Grace, Lee, ve Boggs James. Revolution and Evolution in the Twentieth Century. New York, Monthly review press, 1974.

MLA Alıntı

Grace, Lee, ve Boggs James. Revolution and Evolution in the Twentieth Century. 1974.