APA (7th ed.) Citation

Treuherz, W., & Treuherz, I. (2000). True hearts: The memoirs of Werner and Irmgard Treuherz. [Privately printed].

Chicago Style (17th ed.) Citation

Treuherz, Werner, and Irmgard Treuherz. True Hearts: The Memoirs of Werner and Irmgard Treuherz. [s.l.]: [Privately printed], 2000.

MLA (8th ed.) Citation

Treuherz, Werner, and Irmgard Treuherz. True Hearts: The Memoirs of Werner and Irmgard Treuherz. [Privately printed], 2000.

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