APA

Hansen A. H., . (1953). A guide to Keynes. New York: McGraw-Hill.

Chicago

Hansen Alvin Harvey, . 1953. A guide to Keynes. New York: McGraw-Hill.

Harvard

Hansen A. H., . (1953). A guide to Keynes. New York: McGraw-Hill.

MLA

Hansen Alvin Harvey, . A guide to Keynes. New York: McGraw-Hill. 1953.