APA (7th ed.) Citation

Wierling, D. (2008). Die Marktlücke. Meine Quelle.

Chicago Style (17th ed.) Citation

Wierling, Dorothee. "Die Marktlücke." Meine Quelle 2008.

MLA (8th ed.) Citation

Wierling, Dorothee. "Die Marktlücke." Meine Quelle, 2008.

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