APA (7th ed.) Citation

Schulz, H., & Kirner, G. (1980). Pionierkalender 1981. Kinderbuchverlag.

Chicago Style (17th ed.) Citation

Schulz, Heidemarie, and Gerhard Kirner. Pionierkalender 1981. Berlin: Kinderbuchverlag, 1980.

MLA (8th ed.) Citation

Schulz, Heidemarie, and Gerhard Kirner. Pionierkalender 1981. Kinderbuchverlag, 1980.

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