Valle, E., Goldschmidt, P., & Fischer, K. (1963). Zauberkristall. Kinderbuchverl.
Chicago Style (17th ed.) CitationValle, Enrico, Paula Goldschmidt, and Karl Fischer. Zauberkristall. Berlin: Kinderbuchverl, 1963.
MLA (9th ed.) CitationValle, Enrico, et al. Zauberkristall. Kinderbuchverl, 1963.
Warning: These citations may not always be 100% accurate.