APA (7. basım) Alıntı

Thornton, A. P. (1977). Imperialism in the twentieth century. University of Minnesota Press.

Chicago Style (17. basım) Atıf

Thornton, A. P. Imperialism in the Twentieth Century. Minneapolis: University of Minnesota Press, 1977.

MLA (9th ed.) Atıf

Thornton, A. P. Imperialism in the Twentieth Century. University of Minnesota Press, 1977.