APA (7th ed.) Citation

Felix & Theo. (1991). Oh, Maria. Langenscheidt.

Chicago Style (17th ed.) Citation

Felix & Theo. Oh, Maria. Berlin [etc.]: Langenscheidt, 1991.

MLA (9th ed.) Citation

Felix & Theo. Oh, Maria. Langenscheidt, 1991.

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