National Highways map of the state of Maine : showing one thousand three hundred miles of national highways proposed by the National Highways Association, Washington D.C. / John C. Mulford, cartographer ; published under direction of General Coleman du Po
MLA
Mulford, John C. National Highways Map of the State of Maine : Showing One Thousand Three Hundred Miles of National Highways Proposed by the National Highways Association, Washington D.C. / John C. Mulford, Cartographer ; Published under Direction of General Coleman Du Po. The Association, 1915. https://collections.library.yale.edu/catalog/15827744.
APA, 6th edition
Mulford, J. C. (1915). National Highways map of the state of Maine : showing one thousand three hundred miles of national highways proposed by the National Highways Association, Washington D.C. / John C. Mulford, cartographer ; published under direction of General Coleman du Po [Maps]. The Association, https://collections.library.yale.edu/catalog/15827744.
