McDonald, L. H., & McDonald, H. L. (1980). Fur trade letters of Francis Ermatinger: Written to his brother Edward during his service with the Hudson's Bay Company, 1818 - 1853. Clark.
Chicago Style (17th ed.) CitationMcDonald, Lois Halliday, and Halliday Lois McDonald. Fur Trade Letters of Francis Ermatinger: Written to His Brother Edward During His Service with the Hudson's Bay Company, 1818 - 1853. Glendale, Calif: Clark, 1980.
MLA (9th ed.) CitationMcDonald, Lois Halliday, and Halliday Lois McDonald. Fur Trade Letters of Francis Ermatinger: Written to His Brother Edward During His Service with the Hudson's Bay Company, 1818 - 1853. Clark, 1980.
Warning: These citations may not always be 100% accurate.