APA (7th ed.) Citation
Kaiser, Sigrid [Mädchenname] s. Kummer, Sigrid.
Chicago Style (17th ed.) Citation
Kaiser, Sigrid [Mädchenname] S. Kummer, Sigrid.
MLA (9th ed.) Citation
Kaiser, Sigrid [Mädchenname] S. Kummer, Sigrid.
Warning: These citations may not always be 100% accurate.