APA Style
Drucker, Peter Ferdinand. (1982).
The changing world of the executive .
New York:
Times Books.
Chicago Style
Drucker, Peter Ferdinand.
The changing world of the executive.
New York:
Times Books,
1982.
Text.
MLA Style
Drucker, Peter Ferdinand.
The changing world of the executive.
New York:
Times Books,
1982.
Text.
Turabian Style
Drucker, Peter Ferdinand.
The changing world of the executive.
New York:
Times Books,
1982.
Print.