APA Style
Watt, Kenneth E.F.,. (1973).
Principles of environmental science .
London:
McGraw - Hill Book Company, Inc..
Chicago Style
Watt, Kenneth E.F.,.
Principles of environmental science.
London:
McGraw - Hill Book Company, Inc.,
1973.
Text.
MLA Style
Watt, Kenneth E.F.,.
Principles of environmental science.
London:
McGraw - Hill Book Company, Inc.,
1973.
Text.
Turabian Style
Watt, Kenneth E.F.,.
Principles of environmental science.
London:
McGraw - Hill Book Company, Inc.,
1973.
Print.