APA (7th ed.) Citation

Machin, G. I. T. (1964). The Catholic question in English politics 1820 to 1830. Clarendon Press.

Chicago Style (17th ed.) Citation

Machin, G. I. T. The Catholic Question in English Politics 1820 to 1830. Oxford: Clarendon Press, 1964.

MLA (9th ed.) Citation

Machin, G. I. T. The Catholic Question in English Politics 1820 to 1830. Clarendon Press, 1964.

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