APA (7th ed.) Citation

Cohen, D. M. (2013). Teaching about T4. The holocaust in history and memory.

Chicago Style (17th ed.) Citation

Cohen, Danny M. "Teaching About T4." The Holocaust in History and Memory 2013.

MLA (8th ed.) Citation

Cohen, Danny M. "Teaching About T4." The Holocaust in History and Memory, 2013.

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