APA

Chesterton G. K., . (1928). The outline of sanity. London: Methuen.

Chicago

Chesterton Gilbert Keith, . 1928. The outline of sanity. London: Methuen.

Harvard

Chesterton G. K., . (1928). The outline of sanity. London: Methuen.

MLA

Chesterton Gilbert Keith, . The outline of sanity. London: Methuen. 1928.