APA (7th ed.) Citation

Lucas, C. P. (1923). The british empire. Macmillan and Co. Ltd.

Chicago Style (17th ed.) Citation

Lucas, Charles P. The British Empire. London: Macmillan and Co. Ltd, 1923.

MLA (9th ed.) Citation

Lucas, Charles P. The British Empire. Macmillan and Co. Ltd, 1923.

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