APA (7th ed.) Citation

Christoffersen, P. (2013). Biografische Spurensuche. Stolpersteine in Bremen.

Chicago Style (17th ed.) Citation

Christoffersen, Peter. "Biografische Spurensuche." Stolpersteine in Bremen 2013.

MLA (8th ed.) Citation

Christoffersen, Peter. "Biografische Spurensuche." Stolpersteine in Bremen, 2013.

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