Hering, E. (1961). Rätsel der Schrift. Prisma Verlag.
Chicago Style (17th ed.) CitationHering, Elisabeth. Rätsel Der Schrift. Leipzig: Prisma Verlag, 1961.
MLA (8th ed.) CitationHering, Elisabeth. Rätsel Der Schrift. Prisma Verlag, 1961.
Warning: These citations may not always be 100% accurate.