Cita APA (7a ed.)

Tolkien, J. R. R., Gordon, E. V., & Davis, N. (1969). Sir Gawain and the Green Knight (2nd ed. / revised by Norman Davis.). University Press.

Cita Chicago Style (17a ed.)

Tolkien, J. R. R., Eric Valentine Gordon, y Norman Davis. Sir Gawain and the Green Knight. 2nd ed. / revised by Norman Davis. Oxford [etc.]: University Press, 1969.

Cita MLA (9a ed.)

Tolkien, J. R. R., et al. Sir Gawain and the Green Knight. 2nd ed. / revised by Norman Davis. University Press, 1969.