APA (7th ed.) Citation

Löffler, H. (1966). Pattern Drill Book. Verlag Enzyklopädie.

Chicago Style (17th ed.) Citation

Löffler, Hans. Pattern Drill Book. Leipzig: Verlag Enzyklopädie, 1966.

MLA (8th ed.) Citation

Löffler, Hans. Pattern Drill Book. Verlag Enzyklopädie, 1966.

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