Style de citation APA (7e éd.)

Williams, I. A., & Allen, J. E. (1991). Geologic history of the Columbia River Gorge, as interpreted from the historic Columbia River scenic highway (3rd ed., rev.). Oregon Historical Society Press.

Style de citation Chicago (17e éd.)

Williams, Ira A., et John Eliot Allen. Geologic History of the Columbia River Gorge, as Interpreted from the Historic Columbia River Scenic Highway. 3rd ed., rev. Portland, Or.: Oregon Historical Society Press, 1991.

Style de citation MLA (8e éd.)

Williams, Ira A., et John Eliot Allen. Geologic History of the Columbia River Gorge, as Interpreted from the Historic Columbia River Scenic Highway. 3rd ed., rev. Oregon Historical Society Press, 1991.

Attention : ces citations peuvent ne pas être correctes à 100%.