APA (7th ed.) Citation

Drucker, P. F. (2007). The essential Drucker: Selections from the management works of Peter F. Drucker (Rev. ed.). Elsevier/Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Drucker, Peter Ferdinand. The Essential Drucker: Selections from the Management Works of Peter F. Drucker. Rev. ed. Oxford: Elsevier/Butterworth-Heinemann, 2007.

MLA (8th ed.) Citation

Drucker, Peter Ferdinand. The Essential Drucker: Selections from the Management Works of Peter F. Drucker. Rev. ed. Elsevier/Butterworth-Heinemann, 2007.