Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Phelps, Edmund S. Political Economy: : An Introductory Text. New York ; London: W.W. Norton, 1985.

Cita MLA (9a ed.)

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