APA (7th ed.) Citation

Blake, W., & Keynes, G. (1939). Poetry and prose of William Blake / edited by G. Keynes (4th ed.). Nonesuch.

Chicago Style (17th ed.) Citation

Blake, William, and Geoffrey Keynes. Poetry and Prose of William Blake / Edited by G. Keynes. 4th ed. Nonesuch, 1939.

MLA (9th ed.) Citation

Blake, William, and Geoffrey Keynes. Poetry and Prose of William Blake / Edited by G. Keynes. 4th ed. Nonesuch, 1939.

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