APA (7th ed.) Citation

Davis, G. R. C. (1977). Magna Carta (3rd reprint (rev.).). Published for the British Library by British Museum Publications.

Chicago Style (17th ed.) Citation

Davis, G. R. C. Magna Carta. 3rd reprint (rev.). London: Published for the British Library by British Museum Publications, 1977.

MLA (9th ed.) Citation

Davis, G. R. C. Magna Carta. 3rd reprint (rev.). Published for the British Library by British Museum Publications, 1977.