APA Style
Chemistry at work in the northem states. (1991).
New York:
McGraw-Hill.
Chicago Style
Chemistry at work in the northem states.
.
New York:
McGraw-Hill,
1991.
Text.
MLA Style
Chemistry at work in the northem states.
.
New York:
McGraw-Hill,
1991.
Text.
Turabian Style
Chemistry at work in the northem states.
New York:
McGraw-Hill,
1991.
Print.