APA (7th ed.) Citation

Drucker, P. F. (1982). The changing world of the executive. Truman Talley Books.

Chicago Style (17th ed.) Citation

Drucker, Peter F. The Changing World of the Executive. N. Y: Truman Talley Books, 1982.

MLA (9th ed.) Citation

Drucker, Peter F. The Changing World of the Executive. Truman Talley Books, 1982.