APA (7th ed.) Citation

Diehl, V. (1983). ... Und. Happy-Happy.

Chicago Style (17th ed.) Citation

Diehl, Volker. ... Und. Berlin: Happy-Happy, 1983.

MLA (9th ed.) Citation

Diehl, Volker. ... Und. Happy-Happy, 1983.

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