APA Style
Drucker, Peter F.. (1985).
The Changing World of the Executive .
United States of America:
Time Books.
Chicago Style
Drucker, Peter F..
The Changing World of the Executive.
United States of America:
Time Books,
1985.
Text.
MLA Style
Drucker, Peter F..
The Changing World of the Executive.
United States of America:
Time Books,
1985.
Text.
Turabian Style
Drucker, Peter F..
The Changing World of the Executive.
United States of America:
Time Books,
1985.
Print.