APA (7th ed.) Citation

Vrba, R. (2001). The Preparations for the Holocaust in Hungary. Pro memoria.

Chicago Style (17th ed.) Citation

Vrba, Rudolf. "The Preparations for the Holocaust in Hungary." Pro Memoria 2001.

MLA (8th ed.) Citation

Vrba, Rudolf. "The Preparations for the Holocaust in Hungary." Pro Memoria, 2001.

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