Cockfield, W. E. (1921). Sixtymile and Ladue rivers area, Yukon. T. Mulvey, Printer.
Chicago Style (17th ed.) CitationCockfield, William Egbert. Sixtymile and Ladue Rivers Area, Yukon. Ottawa: T. Mulvey, Printer, 1921.
MLA (9th ed.) CitationCockfield, William Egbert. Sixtymile and Ladue Rivers Area, Yukon. T. Mulvey, Printer, 1921.
Warning: These citations may not always be 100% accurate.