Cita APA (7a ed.)
Gibson, J. R. (1997). The lifeline of the Oregon Country: The Fraser-Columbia brigade system, 1811-47. UBC Press.
Cita Chicago Style (17a ed.)
Gibson, James R. The Lifeline of the Oregon Country: The Fraser-Columbia Brigade System, 1811-47. Vancouver: UBC Press, 1997.
Cita MLA (9a ed.)
Gibson, James R. The Lifeline of the Oregon Country: The Fraser-Columbia Brigade System, 1811-47. UBC Press, 1997.
Precaución: Estas citas no son 100% exactas.