APA (7th ed.) Citation

Spielberg, L. (2004). Kalender in Buchform. Sammler Journal.

Chicago Style (17th ed.) Citation

Spielberg, Ludger. "Kalender in Buchform." Sammler Journal 2004.

MLA (8th ed.) Citation

Spielberg, Ludger. "Kalender in Buchform." Sammler Journal, 2004.

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