APA (7th ed.) Citation

Krames, J. A. (2008). Inside Drucker's brain. Penguin Group.

Chicago Style (17th ed.) Citation

Krames, Jeffrey A. Inside Drucker's Brain. United States: Penguin Group, 2008.

MLA (9th ed.) Citation

Krames, Jeffrey A. Inside Drucker's Brain. Penguin Group, 2008.

Warning: These citations may not always be 100% accurate.