APA (7th ed.) Citation

Friedlander, H. (1994). The T4 killers: Berlin, Lublin, San Sabba. Die Normalität des Verbrechens.

Chicago Style (17th ed.) Citation

Friedlander, Henry. "The T4 Killers: Berlin, Lublin, San Sabba." Die Normalität Des Verbrechens 1994.

MLA (8th ed.) Citation

Friedlander, Henry. "The T4 Killers: Berlin, Lublin, San Sabba." Die Normalität Des Verbrechens, 1994.

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