APA (7th ed.) Citation

Fryderyk III & Engel, E. (1919). Kaiser Friedrichs Tagebuch. Heinrich Diekmann Verlagsbuchhandlung.

Chicago Style (17th ed.) Citation

Fryderyk III and Eduard Engel. Kaiser Friedrichs Tagebuch. Halle (Saale): Heinrich Diekmann Verlagsbuchhandlung, 1919.

MLA (9th ed.) Citation

Fryderyk III and Eduard Engel. Kaiser Friedrichs Tagebuch. Heinrich Diekmann Verlagsbuchhandlung, 1919.

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