APA (7th ed.) Citation

Langer, L. L. (2003). Preempting the Holocaust. Lessons and Legacies IV.

Chicago Style (17th ed.) Citation

Langer, Lawrence L. "Preempting the Holocaust." Lessons and Legacies IV 2003.

MLA (8th ed.) Citation

Langer, Lawrence L. "Preempting the Holocaust." Lessons and Legacies IV, 2003.

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