Cita APA (7th ed.)

Cook, E. (2006). Enigmas and riddles in literature. Cambridge University Press.

Cita Chicago (17th ed.)

Cook, Eleanor. Enigmas and Riddles in Literature. Cambridge: Cambridge University Press, 2006.

Cita MLA (9th ed.)

Cook, Eleanor. Enigmas and Riddles in Literature. Cambridge University Press, 2006.