APA (7th ed.) Citation

Phelps, E. S. (1985). Political economy: An introductory text. W.W. Norton.

Chicago Style (17th ed.) Citation

Phelps, Edmund S. Political Economy: An Introductory Text. New York [etc.]: W.W. Norton, 1985.

MLA (9th ed.) Citation

Phelps, Edmund S. Political Economy: An Introductory Text. W.W. Norton, 1985.