APA (7th ed.) Citation

Ferguson. (2003). Empire: How Britain made the modern world. Penguin Press.

Chicago Style (17th ed.) Citation

Ferguson. Empire: How Britain Made the Modern World. England: Penguin Press, 2003.

MLA (8th ed.) Citation

Ferguson. Empire: How Britain Made the Modern World. Penguin Press, 2003.

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