Cita APA (7a ed.)

Yaxley, S., & Chaplin, B. (1977). Medieval trade. Chambers.

Cita Chicago Style (17a ed.)

Yaxley, Susan, y Brian Chaplin. Medieval Trade. Edinburgh: Chambers, 1977.

Cita MLA (9a ed.)

Yaxley, Susan, y Brian Chaplin. Medieval Trade. Chambers, 1977.