APA (7th ed.) Citation

Drößler, R. (1990). Astronomie in Stein. Prisma Verlag.

Chicago Style (17th ed.) Citation

Drößler, Rudolf. Astronomie in Stein. Leipzig: Prisma Verlag, 1990.

MLA (8th ed.) Citation

Drößler, Rudolf. Astronomie in Stein. Prisma Verlag, 1990.

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