APA (7th ed.) Citation

(2017). Fire insurance maps online. Historical Information Gatherers, Inc..

Chicago Style (17th ed.) Citation

Fire Insurance Maps Online. [Hopkins, MN]: Historical Information Gatherers, Inc., 2017.

MLA (8th ed.) Citation

Fire Insurance Maps Online. Historical Information Gatherers, Inc., 2017.

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