APA (7th ed.) Citation

Rolland, R., Grautoff, O., & Grautoff, E. (1917). Johann Christof: Roman. Rütten & Loening.

Chicago Style (17th ed.) Citation

Rolland, Romain, Otto Grautoff, and Erna Grautoff. Johann Christof: Roman. Frankfurt a. M.: Rütten & Loening, 1917.

MLA (8th ed.) Citation

Rolland, Romain, et al. Johann Christof: Roman. Rütten & Loening, 1917.

Warning: These citations may not always be 100% accurate.