APA (7th ed.) Citation

Hugo, G. (1969). Britain in tomorrow's world: Principles of foreign policy. Columbia University Press.

Chicago Style (17th ed.) Citation

Hugo, Grant. Britain in Tomorrow's World: Principles of Foreign Policy. New York: Columbia University Press, 1969.

MLA (9th ed.) Citation

Hugo, Grant. Britain in Tomorrow's World: Principles of Foreign Policy. Columbia University Press, 1969.