Historical Documentation Guide : : A Guide to the permanent exhibition of Frankfurt's history from the 9th century up until the end of World War I ; Historical Museum of the City of Frankfurt.

MLA

Stubenvoll, Hans, and Jürgen Steen. Historical Documentation Guide : A Guide to the Permanent Exhibition of Frankfurt's History From the 9th Century Up Until the End of World War I ; Historical Museum of the City of Frankfurt. Frankfurt am Main: Amt für Wissenschaft und Kunst, 1979.

APA

Stubenvoll, H., & Steen, J. (1979). Historical Documentation Guide : A Guide to the permanent exhibition of Frankfurt's history from the 9th century up until the end of World War I ; Historical Museum of the City of Frankfurt. Frankfurt am Main: Amt für Wissenschaft und Kunst.

Chicago

Stubenvoll, Hans, and Jürgen Steen. Historical Documentation Guide: A Guide to the Permanent Exhibition of Frankfurt's History From the 9th Century Up Until the End of World War I ; Historical Museum of the City of Frankfurt. Frankfurt am Main: Amt für Wissenschaft und Kunst, 1979.