APA (7th ed.) Citation

Blake, W., & Keynes, G. (1968). The letters of William Blake / edited by G. Keynes (2nd ed.). Hart-Davis.

Chicago Style (17th ed.) Citation

Blake, William, and Geoffrey Keynes. The Letters of William Blake / Edited by G. Keynes. 2nd ed. Hart-Davis, 1968.

MLA (9th ed.) Citation

Blake, William, and Geoffrey Keynes. The Letters of William Blake / Edited by G. Keynes. 2nd ed. Hart-Davis, 1968.

Warning: These citations may not always be 100% accurate.