APA (7th ed.) Citation

Löffler, H. (1969). Pattern Practice Book. Verlag Enzyklopädie.

Chicago Style (17th ed.) Citation

Löffler, Hans. Pattern Practice Book. Leipzig: Verlag Enzyklopädie, 1969.

MLA (8th ed.) Citation

Löffler, Hans. Pattern Practice Book. Verlag Enzyklopädie, 1969.

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