Rand McNally official 1920 auto trails map, District number 7 : Pennsylvania, New Jersey, Southern New York, Northern Delaware, Northern Maryland, Northern Virginia, North East W. Virginia / copyright by Rand McNally & Company.
MLA
Rand McNally Official 1920 Auto Trails Map, District Number 7 : Pennsylvania, New Jersey, Southern New York, Northern Delaware, Northern Maryland, Northern Virginia, North East W. Virginia / Copyright by Rand McNally & Company. Rand McNally & Co., 1920. https://collections.library.yale.edu/catalog/15827777.
APA, 6th edition
Rand McNally official 1920 auto trails map, District number 7 : Pennsylvania, New Jersey, Southern New York, Northern Delaware, Northern Maryland, Northern Virginia, North East W. Virginia / copyright by Rand McNally & Company. (1920). [Maps]. Rand McNally & Co., https://collections.library.yale.edu/catalog/15827777.
