Pfister, T., Pfister, K., & Pfister, P. (2020). Eva & Otto: Resistance, refugees, and love in the time of Hitler. West Lafayette: Purdue University Press.
Chicago-referens (17:e uppl.)Pfister, Thomas, Katherine Pfister, och Peter Pfister. Eva & Otto: Resistance, Refugees, and Love in the Time of Hitler. West Lafayette: Purdue University Press, 2020.
MLA-referens (8:e uppl.)Pfister, Thomas, et al. Eva & Otto: Resistance, Refugees, and Love in the Time of Hitler. West Lafayette: Purdue University Press, 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.