APA (7th ed.) Citation

Henderson, G. (1972). Early medieval / George Henderson. Penguin.

Chicago Style (17th ed.) Citation

Henderson, George. Early Medieval / George Henderson. Harmondsworth: Penguin, 1972.

MLA (9th ed.) Citation

Henderson, George. Early Medieval / George Henderson. Penguin, 1972.

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