Cita APA

Griffiths, D. . .., & Griffiths, A. M. . .. (1962). Understanding and enjoyment. Oxford University Press.

Citación estilo Chicago

Griffiths, D ., and A M. Griffiths. Understanding and Enjoyment. London: Oxford University Press, 1962.

Cita MLA

Griffiths, D ., and A M. Griffiths. Understanding and Enjoyment. Oxford University Press, 1962.