Lund, N. (1997). Knut & Knut. Esslinger Verl. Schreiber.
Chicago Style (17th ed.) CitationLund, Niels. Knut & Knut. Esslingen [u.a.]: Esslinger Verl. Schreiber, 1997.
MLA (9th ed.) CitationLund, Niels. Knut & Knut. Esslinger Verl. Schreiber, 1997.
Warning: These citations may not always be 100% accurate.