APA (7th ed.) Citation

Heiken, G. (2006). Tuffs: Their properties, uses, hydrology, and resources. Geological Society of America.

Chicago Style (17th ed.) Citation

Heiken, Grant. Tuffs: Their Properties, Uses, Hydrology, and Resources. Boulder, Colo.: Geological Society of America, 2006.

MLA (8th ed.) Citation

Heiken, Grant. Tuffs: Their Properties, Uses, Hydrology, and Resources. Geological Society of America, 2006.

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