APA (7th ed.) Citation

Green, J. R., & Green, A. S. (1899). The conquest of England (3rd ed.). Macmillan.

Chicago Style (17th ed.) Citation

Green, John Richard, and Alice Stopford Green. The Conquest of England. 3rd ed. London: Macmillan, 1899.

MLA (8th ed.) Citation

Green, John Richard, and Alice Stopford Green. The Conquest of England. 3rd ed. Macmillan, 1899.