APA (7th ed.) Citation

May, E. R. (1961). Imperial democracy: The emergence of America as a great power. Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

May, Ernest R. Imperial Democracy: The Emergence of America as a Great Power. New York: Harcourt, Brace & World, 1961.

MLA (9th ed.) Citation

May, Ernest R. Imperial Democracy: The Emergence of America as a Great Power. Harcourt, Brace & World, 1961.