APA (7th ed.) Citation

Blake, W., Bogan, J., & Goss, F. (1982). Sparks of fire: Blake in a new age. North Atlantic Books.

Chicago Style (17th ed.) Citation

Blake, William, James Bogan, and Fred Goss. Sparks of Fire: Blake in a New Age. Richmond, Calif: North Atlantic Books, 1982.

MLA (9th ed.) Citation

Blake, William, et al. Sparks of Fire: Blake in a New Age. North Atlantic Books, 1982.