Cita APA (7th ed.)

ebrary, Inc, Beattie, J. H., & Buss, H. M. (2003). Undelivered letters to Hudson's Bay Company men on the Northwest Coast of America, 1830-57. UBC Press.

Cita Chicago (17th ed.)

ebrary, Inc, Judith Hudson Beattie, i Helen M. Buss. Undelivered Letters to Hudson's Bay Company Men on the Northwest Coast of America, 1830-57. Vancouver: UBC Press, 2003.

Cita MLA (9th ed.)

ebrary, Inc, et al. Undelivered Letters to Hudson's Bay Company Men on the Northwest Coast of America, 1830-57. UBC Press, 2003.