APA Citation

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

Chicago Style Citation

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

MLA Citation

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

Warning: These citations may not always be 100% accurate.