New general railway map of the United States and the Dominion of Canada / compiled from information obtained from official sources ; engraved and printed by Rand, McNally & Co., Chicago.
MLA
New General Railway Map of the United States and the Dominion of Canada / Compiled from Information Obtained from Official Sources ; Engraved and Printed by Rand, McNally & Co., Chicago. National Railway Publication Co., 1880. https://collections.library.yale.edu/catalog/15603757.
APA, 6th edition
New general railway map of the United States and the Dominion of Canada / compiled from information obtained from official sources ; engraved and printed by Rand, McNally & Co., Chicago. (1880). [Maps]. National Railway Publication Co., https://collections.library.yale.edu/catalog/15603757.