APA aipamena

Blake, W., & Keynes, G. S. (1968). The letters of William Blake. Harvard University Press.

Chicago Style aipamena

Blake, William, and Geoffrey Sir Keynes. The Letters of William Blake. Cambridge, Mass: Harvard University Press, 1968.

MLA aipamena

Blake, William, and Geoffrey Sir Keynes. The Letters of William Blake. Harvard University Press, 1968.