APA (7th ed.) Citation

Williams, H. (1944). Volcanoes of the Three Sisters region, Oregon Cascades. University of California press.

Chicago Style (17th ed.) Citation

Williams, Howel. Volcanoes of the Three Sisters Region, Oregon Cascades. Berkeley: University of California press, 1944.

MLA (9th ed.) Citation

Williams, Howel. Volcanoes of the Three Sisters Region, Oregon Cascades. University of California press, 1944.