APA Style
Drucker, Peter F.. (1969).
The Effective executive (First Edition).
London:
William Heinemann Ltd.
Chicago Style
Drucker, Peter F..
The Effective executive.
First Edition
London:
William Heinemann Ltd,
1969.
Print.
MLA Style
Drucker, Peter F..
The Effective executive.
First Edition
London:
William Heinemann Ltd,
1969.
Print.
Turabian Style
Drucker, Peter F..
The Effective executive.
First Edition
London:
William Heinemann Ltd,
1969.
Print.