APA (7th ed.) Citation

Keynes, E. (1991). Undeclared war: Twilight zone of constitutional power. Pennsylvania State University Press.

Chicago Style (17th ed.) Citation

Keynes, Edward. Undeclared War: Twilight Zone of Constitutional Power. University Park, Pa.: Pennsylvania State University Press, 1991.

MLA (9th ed.) Citation

Keynes, Edward. Undeclared War: Twilight Zone of Constitutional Power. Pennsylvania State University Press, 1991.