APA

Hough R. R., . (1972). What economists do. New York: Harper & Row.

Chicago

Hough Robbin R, . 1972. What economists do. New York: Harper & Row.

Harvard

Hough R. R., . (1972). What economists do. New York: Harper & Row.

MLA

Hough Robbin R, . What economists do. New York: Harper & Row. 1972.