APA

Thoman R. S., Conkling E. C. & Yeates M. (1962). The geography of economic activity. New York: McGraw-Hill.

Chicago

Thoman Richard S, Conkling Edgar C and Yeates Maurice. 1962. The geography of economic activity. New York: McGraw-Hill.

Harvard

Thoman R. S., Conkling E. C. and Yeates M. (1962). The geography of economic activity. New York: McGraw-Hill.

MLA

Thoman Richard S, Conkling Edgar C and Yeates Maurice. The geography of economic activity. New York: McGraw-Hill. 1962.