APA (7th ed.) Citation

Power, E. E., & Postan, M. M. (1933). Studies in English trade in the fifteenth century. G. Routledge.

Chicago Style (17th ed.) Citation

Power, Eileen Edna, and Michael Moissey Postan. Studies in English Trade in the Fifteenth Century. London: G. Routledge, 1933.

MLA (9th ed.) Citation

Power, Eileen Edna, and Michael Moissey Postan. Studies in English Trade in the Fifteenth Century. G. Routledge, 1933.