Cita APA (7a ed.)

Ennen, E., & Fryde, N. (1979). The Medieval Town. North-Holland.

Cita Chicago Style (17a ed.)

Ennen, Edith, y Natalie Fryde. The Medieval Town. Amsterdam: North-Holland, 1979.

Cita MLA (8a ed.)

Ennen, Edith, y Natalie Fryde. The Medieval Town. North-Holland, 1979.