APA (7th ed.) Citation

Watts, W., & Free, L. A. (1973). State of the Nation. Universe Books.

Chicago Style (17th ed.) Citation

Watts, William,, and Lloyd A. Free. State of the Nation. New York: Universe Books, 1973.

MLA (9th ed.) Citation

Watts, William,, and Lloyd A. Free. State of the Nation. Universe Books, 1973.