APA (7th ed.) Citation

Keßel, W. (1978). Zur Wirtschaftsgeschichte Regensburgs.

Chicago Style (17th ed.) Citation

Keßel, Willi. Zur Wirtschaftsgeschichte Regensburgs. 1978.

MLA (9th ed.) Citation

Keßel, Willi. Zur Wirtschaftsgeschichte Regensburgs. 1978.

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