United States. National Park Service. & Parks Canada. (1989). Chilkoot Trail, Alaska, British Columbia: Klondike Gold Rush National Historical Park. The Service.
Chicago Style (17th ed.) CitationUnited States. National Park Service., and Parks Canada. Chilkoot Trail, Alaska, British Columbia: Klondike Gold Rush National Historical Park. [Juneau, Alaska?]: The Service, 1989.
MLA (8th ed.) CitationUnited States. National Park Service., and Parks Canada. Chilkoot Trail, Alaska, British Columbia: Klondike Gold Rush National Historical Park. The Service, 1989.
Warning: These citations may not always be 100% accurate.