Cita APA (7th ed.)

Drucker, P. F. (1995). Managing in a time of great change. Truman Talley Books/Dutton.

Cita Chicago (17th ed.)

Drucker, Peter F. Managing in a Time of Great Change. New York: Truman Talley Books/Dutton, 1995.

Cita MLA (8th ed.)

Drucker, Peter F. Managing in a Time of Great Change. Truman Talley Books/Dutton, 1995.