APA (7th ed.) Citation

Quigley, C. (1966). Tragedy and hope: A history of the world in our time. GSG & Associates.

Chicago Style (17th ed.) Citation

Quigley, Carroll. Tragedy and Hope: A History of the World in Our Time. San Pedro, CA: GSG & Associates, 1966.

MLA (9th ed.) Citation

Quigley, Carroll. Tragedy and Hope: A History of the World in Our Time. GSG & Associates, 1966.

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