APA (7th ed.) Citation

Phelps, E. S. (1966). Problems of the modern economy (1st ed.].). Norton.

Chicago Style (17th ed.) Citation

Phelps, Edmund S. Problems of the Modern Economy. 1st ed.]. New York: Norton, 1966.

MLA (9th ed.) Citation

Phelps, Edmund S. Problems of the Modern Economy. 1st ed.]. Norton, 1966.