Elementary economics;
an introduction to the study of economics and sociology,
by Frank Tracy Carlton.

APA Citation

Carlton, F. Tracy. (1920). Elementary economics: an introduction to the study of economics and sociology. New York: Macmillan.

MLA Citation

Carlton, Frank Tracy, 1873-1961. Elementary Economics: an Introduction to the Study of Economics And Sociology. New York: Macmillan, 1920.

Warning: These citations may not always be complete (especially for serials).