APA

Hicks J. R., . (1950). A contribution to the theory of the trade cycle. Oxford: Clarendon Press.

Chicago

Hicks John Richard, . 1950. A contribution to the theory of the trade cycle. Oxford: Clarendon Press.

Harvard

Hicks J. R., . (1950). A contribution to the theory of the trade cycle. Oxford: Clarendon Press.

MLA

Hicks John Richard, . A contribution to the theory of the trade cycle. Oxford: Clarendon Press. 1950.