Cita APA (7a ed.)

Edgeworth, M., & Colvin, C. (1971). Letters from England, 1813-1844. Clarendon Press.

Cita Chicago Style (17a ed.)

Edgeworth, Maria, y Christina Colvin. Letters from England, 1813-1844. Oxford: Clarendon Press, 1971.

Cita MLA (8a ed.)

Edgeworth, Maria, y Christina Colvin. Letters from England, 1813-1844. Clarendon Press, 1971.