Cita APA (7a ed.)

Friedman, J. W. (1983). Oligopoly theory. University Press.

Cita Chicago Style (17a ed.)

Friedman, James W. Oligopoly Theory. Cambridge [etc.]: University Press, 1983.

Cita MLA (9a ed.)

Friedman, James W. Oligopoly Theory. University Press, 1983.