APA (7th ed.) Citation

Baker, J. N. L. (1938). Medieval trade routes. Historical Association.

Chicago Style (17th ed.) Citation

Baker, J. N. L. Medieval Trade Routes. London: Historical Association, 1938.

MLA (9th ed.) Citation

Baker, J. N. L. Medieval Trade Routes. Historical Association, 1938.

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