Citazione Stile APA (7a Edizione)

Heingartner, R. W., & Bonnell, A. (2011). An American witness in Nazi Frankfurt: The diaries of Robert W. Heingartner, 1928-1937. Peter Lang.

Citazione stile Chigago Style (17a edizione)

Heingartner, Robert W., e Andrew Bonnell. An American Witness in Nazi Frankfurt: The Diaries of Robert W. Heingartner, 1928-1937. Bern ; New York: Peter Lang, 2011.

Citatione MLA (9a ed.)

Heingartner, Robert W., e Andrew Bonnell. An American Witness in Nazi Frankfurt: The Diaries of Robert W. Heingartner, 1928-1937. Peter Lang, 2011.