APA (7th ed.) Citation

Kröger, J., & Gunter, A. (2005). Ernst Herzfeld and Friedrich Sarre.

Chicago Style (17th ed.) Citation

Kröger, Jens, and A.C Gunter. Ernst Herzfeld and Friedrich Sarre. 2005.

MLA (8th ed.) Citation

Kröger, Jens, and A.C Gunter. Ernst Herzfeld and Friedrich Sarre. 2005.

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