Humphrys, C. R. (1948). Recreational survey, Ontonagon County. [County of Ontonagon].
Chicago Style (17th ed.) CitationHumphrys, C. R. Recreational Survey, Ontonagon County. [Ontonagon County, Mich.]: [County of Ontonagon], 1948.
MLA (9th ed.) CitationHumphrys, C. R. Recreational Survey, Ontonagon County. [County of Ontonagon], 1948.
Warning: These citations may not always be 100% accurate.