APA (7th ed.) Citation

Uhlmann, J., & Heinrich, P. (1987). The soul of fire: How charcoal changed the world. University Books.

Chicago Style (17th ed.) Citation

Uhlmann, John, and Peggy Heinrich. The Soul of Fire: How Charcoal Changed the World. Pompano Beach, Fla.: University Books, 1987.

MLA (8th ed.) Citation

Uhlmann, John, and Peggy Heinrich. The Soul of Fire: How Charcoal Changed the World. University Books, 1987.

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