APA (7th ed.) Citation

Kugler, F., & Menzel, A. Geschichte Friedrichs des Grossen.

Chicago Style (17th ed.) Citation

Kugler, Franz, and Adolph Menzel. Geschichte Friedrichs Des Grossen.

MLA (8th ed.) Citation

Kugler, Franz, and Adolph Menzel. Geschichte Friedrichs Des Grossen.

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