APA (7th ed.) Citation

Stecher, H., & Lappe, U. Stadtkernforschung in Erfurt.

Chicago Style (17th ed.) Citation

Stecher, Horst, and Ulrich Lappe. Stadtkernforschung in Erfurt.

MLA (8th ed.) Citation

Stecher, Horst, and Ulrich Lappe. Stadtkernforschung in Erfurt.

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