Cita APA

Ketton-Cremer, R. Thomas Gray: A biography. Cambridge University Press.

Chicago Edition Citation

Ketton-Cremer, R.W. Thomas Gray: A Biography. London: Cambridge University Press.

Cita MLA

Ketton-Cremer, R.W. Thomas Gray: A Biography. Cambridge University Press.

Atenció: Aquestes cites poden no estar 100% correctes.