Cita APA (7a ed.)

Smith, S., & Smith, N. C. (1956). Selected letters of Sydney Smith. Oxford University Press.

Cita Chicago Style (17a ed.)

Smith, Sydney, y Nowell C. Smith. Selected Letters of Sydney Smith. London: Oxford University Press, 1956.

Cita MLA (9a ed.)

Smith, Sydney, y Nowell C. Smith. Selected Letters of Sydney Smith. Oxford University Press, 1956.