APA (7th ed.) Citation

Fontane, T., Brinkmann, R., & Wiethölter, W. (1973). Theodor Fontane. Heimeran.

Chicago Style (17th ed.) Citation

Fontane, Theodor, Richard Brinkmann, and Waltraud Wiethölter. Theodor Fontane. München: Heimeran, 1973.

MLA (8th ed.) Citation

Fontane, Theodor, et al. Theodor Fontane. Heimeran, 1973.