APA (7th ed.) Citation

Nokes, J. R. (1991). Columbia's river: The voyages of Robert Gray, 1787-1793. Washington State Historical Society.

Chicago Style (17th ed.) Citation

Nokes, J. Richard. Columbia's River: The Voyages of Robert Gray, 1787-1793. Tacoma, Wash.: Washington State Historical Society, 1991.

MLA (8th ed.) Citation

Nokes, J. Richard. Columbia's River: The Voyages of Robert Gray, 1787-1793. Washington State Historical Society, 1991.

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