APA (7th ed.) Citation

Salzman, L. F. (1931). English trade in the Middle Ages / by L.F. Salzman. Oxford U.P..

Chicago Style (17th ed.) Citation

Salzman, L. F. English Trade in the Middle Ages / by L.F. Salzman. Oxford U.P., 1931.

MLA (9th ed.) Citation

Salzman, L. F. English Trade in the Middle Ages / by L.F. Salzman. Oxford U.P., 1931.

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