APA (7th ed.) Citation

(1972). Map of the city of Alpena, Alpena County, Michigan. [publisher not identified].

Chicago Style (17th ed.) Citation

Map of the City of Alpena, Alpena County, Michigan. [Alpena, Mich.?]: [publisher not identified], 1972.

MLA (9th ed.) Citation

Map of the City of Alpena, Alpena County, Michigan. [publisher not identified], 1972.

Warning: These citations may not always be 100% accurate.