MLA

Office, United States. General Land. State of Minnesota : 1879 / Compiled from the Official Records of the General Land Office and Other Sources by C. Roeser. The Office, 1879. https://collections.library.yale.edu/catalog/15814572.

APA, 6th edition

Office, U. S. G. L. (1879). State of Minnesota : 1879 / compiled from the official records of the General Land Office and other sources by C. Roeser. [Maps]. The Office, https://collections.library.yale.edu/catalog/15814572.