APA Style

DRUCKER, Peter F.. (2004). The daily Drucker: 366 days of insight... . New York: Harper Collins.

Chicago Style

DRUCKER, Peter F.. The daily Drucker: 366 days of insight.... New York: Harper Collins, 2004. Text.

MLA Style

DRUCKER, Peter F.. The daily Drucker: 366 days of insight.... New York: Harper Collins, 2004. Text.

Turabian Style

DRUCKER, Peter F.. The daily Drucker: 366 days of insight.... New York: Harper Collins, 2004. Print.