APA Style
Thoman, Richard S., Conkling, Edgar C., Yeates, Maurice H.. (1962; 1968).
The geography of economic activity .
New York:
McGraw-Hill Book Company.
Chicago Style
Thoman, Richard S., Conkling, Edgar C., Yeates, Maurice H..
The geography of economic activity.
New York:
McGraw-Hill Book Company,
1962; 1968.
Text.
MLA Style
Thoman, Richard S., Conkling, Edgar C., Yeates, Maurice H..
The geography of economic activity.
New York:
McGraw-Hill Book Company,
1962; 1968.
Text.
Turabian Style
Thoman, Richard S., Conkling, Edgar C., Yeates, Maurice H..
The geography of economic activity.
New York:
McGraw-Hill Book Company,
1962; 1968.
Print.