Great Northern Railway. (1930). Aeroplane map of Glacier National Park, Montana, and Waterton Lakes Park, Alberta. Great Northern.
Chicago Style (17th ed.) CitationGreat Northern Railway. Aeroplane Map of Glacier National Park, Montana, and Waterton Lakes Park, Alberta. Saint Paul, Minn.: Great Northern, 1930.
MLA (8th ed.) CitationGreat Northern Railway. Aeroplane Map of Glacier National Park, Montana, and Waterton Lakes Park, Alberta. Great Northern, 1930.
Warning: These citations may not always be 100% accurate.