APA (7th ed.) Citation

Arendt, H., Jaspers, K., & Köhler, L. (1985). Hannah Arendt, Karl Jaspers: Briefwechsel 1926 - 1969. Piper.

Chicago Style (17th ed.) Citation

Arendt, Hannah, Karl Jaspers, and Lotte Köhler. Hannah Arendt, Karl Jaspers: Briefwechsel 1926 - 1969. München [u.a.]: Piper, 1985.

MLA (8th ed.) Citation

Arendt, Hannah, et al. Hannah Arendt, Karl Jaspers: Briefwechsel 1926 - 1969. Piper, 1985.