Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.