Rockford Map Publishers. (1990). Ottawa County, Michigan, land atlas & plat book: 1990. Rockford Map Publishers.
Chicago Style (17th ed.) CitationRockford Map Publishers. Ottawa County, Michigan, Land Atlas & Plat Book: 1990. Rockford, Ill.: Rockford Map Publishers, 1990.
MLA (9th ed.) CitationRockford Map Publishers. Ottawa County, Michigan, Land Atlas & Plat Book: 1990. Rockford Map Publishers, 1990.
Warning: These citations may not always be 100% accurate.