Cita APA (7th ed.)

Drucker, P. F. (1993). Post-capitalist society (First edition.). HarperBusiness.

Cita Chicago (17th ed.)

Drucker, Peter F. Post-capitalist Society. First edition. New York, NY: HarperBusiness, 1993.

Cita MLA (8th ed.)

Drucker, Peter F. Post-capitalist Society. First edition. HarperBusiness, 1993.