APA (7th ed.) Citation

Barratt Brown. (1970). After imperialism (Rev. ed.). Humanities Press.

Chicago Style (17th ed.) Citation

Barratt Brown. After Imperialism. Rev. ed. New York: Humanities Press, 1970.

MLA (8th ed.) Citation

Barratt Brown. After Imperialism. Rev. ed. Humanities Press, 1970.