APA

Chicago (Unigersity of-) Cowles Commission for research in economics, Chicago (Unigersity of-) Cowles Commission for research in economics, . (1940). Report of sixth annual research conference on economic and statistics at colorado springs July 1 to 26, 1940. Chicago: University of Chicago.

Chicago

Chicago (Unigersity of-) Cowles Commission for research in economics, Chicago (Unigersity of-) Cowles Commission for research in economics, . 1940. Report of sixth annual research conference on economic and statistics at colorado springs July 1 to 26, 1940. Chicago: University of Chicago.

Harvard

Chicago (Unigersity of-) Cowles Commission for research in economics, Chicago (Unigersity of-) Cowles Commission for research in economics, . (1940). Report of sixth annual research conference on economic and statistics at colorado springs July 1 to 26, 1940. Chicago: University of Chicago.

MLA

Chicago (Unigersity of-) Cowles Commission for research in economics, Chicago (Unigersity of-) Cowles Commission for research in economics, . Report of sixth annual research conference on economic and statistics at colorado springs July 1 to 26, 1940. Chicago: University of Chicago. 1940.