APA Style
CASE, Karl E.. (1989).
Principles of economics .
New York:
Prentice-Hall.
Chicago Style
CASE, Karl E..
Principles of economics.
New York:
Prentice-Hall,
1989.
Text.
MLA Style
CASE, Karl E..
Principles of economics.
New York:
Prentice-Hall,
1989.
Text.
Turabian Style
CASE, Karl E..
Principles of economics.
New York:
Prentice-Hall,
1989.
Print.