Cita APA (7a ed.)

Kellner, F., Kellner, R. S., & Steinweis, A. E. (2017). My Opposition: The Diary of Friedrich Kellner, a German against the Third Reich (1st. ed.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Kellner, Friedrich, Robert Scott Kellner, y Alan E. Steinweis. My Opposition: The Diary of Friedrich Kellner, a German Against the Third Reich. 1st. ed. Cambridge [etc.]: Cambridge University Press, 2017.

Cita MLA (9a ed.)

Kellner, Friedrich, et al. My Opposition: The Diary of Friedrich Kellner, a German Against the Third Reich. 1st. ed. Cambridge University Press, 2017.