APA (7th ed.) Citation

Clay, H. (1929). The post-war unemployment problem. Macmillan and co., limited.

Chicago Style (17th ed.) Citation

Clay, Henry. The Post-war Unemployment Problem. London: Macmillan and co., limited, 1929.

MLA (9th ed.) Citation

Clay, Henry. The Post-war Unemployment Problem. Macmillan and co., limited, 1929.