APA Style
McGraw-Hill encyclopedia of science & technology Vol. 20. (1987).
New York:
McGrwa-Hill Book Company.
Chicago Style
McGraw-Hill encyclopedia of science & technology Vol. 20.
6 th ed.
New York:
McGrwa-Hill Book Company,
1987.
Text.
MLA Style
McGraw-Hill encyclopedia of science & technology Vol. 20.
6 th ed.
New York:
McGrwa-Hill Book Company,
1987.
Text.
Turabian Style
McGraw-Hill encyclopedia of science & technology Vol. 20.
New York:
McGrwa-Hill Book Company,
1987.
Print.