APA (7th ed.) Citation

Hill, C. P. (1967). The United States since the First World War. Allen & Unwin.

Chicago Style (17th ed.) Citation

Hill, C. P. The United States Since the First World War. London: Allen & Unwin, 1967.

MLA (9th ed.) Citation

Hill, C. P. The United States Since the First World War. Allen & Unwin, 1967.

Warning: These citations may not always be 100% accurate.