APA (7th ed.) Citation

Ruger, A. (1867). Saint Paul, Minnesota 1867. Chicago Lithographing Co. Historic Urban Plans.

Chicago Style (17th ed.) Citation

Ruger, A. Saint Paul, Minnesota 1867. Chicago, Ithaca, N.Y.: Chicago Lithographing Co. Historic Urban Plans, 1867.

MLA (9th ed.) Citation

Ruger, A. Saint Paul, Minnesota 1867. Chicago Lithographing Co. Historic Urban Plans, 1867.

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