APA (7th ed.) Citation

Dixon, G., & Neilson, J. B. (1965). From Caesar to Columbus (1. publ., 9. impression.). Longmans.

Chicago Style (17th ed.) Citation

Dixon, G., and J. B. Neilson. From Caesar to Columbus. 1. publ., 9. impression. London: Longmans, 1965.

MLA (9th ed.) Citation

Dixon, G., and J. B. Neilson. From Caesar to Columbus. 1. publ., 9. impression. Longmans, 1965.