APA Style
Drucker, Peter F.. (1980).
Managing in turbulent times (1).
New York:
Harper & Row Publishers.
Chicago Style
Drucker, Peter F..
Managing in turbulent times.
1
New York:
Harper & Row Publishers,
1980.
Text.
MLA Style
Drucker, Peter F..
Managing in turbulent times.
1
New York:
Harper & Row Publishers,
1980.
Text.
Turabian Style
Drucker, Peter F..
Managing in turbulent times.
1
New York:
Harper & Row Publishers,
1980.
Print.