Näther, H., & Kirner, G. (1986). Pionierkalender 1987. Der Kinderbuchverlag.
Chicago Style (17th ed.) CitationNäther, Heidemarie, and Gerhard Kirner. Pionierkalender 1987. Berlin: Der Kinderbuchverlag, 1986.
MLA (8th ed.) CitationNäther, Heidemarie, and Gerhard Kirner. Pionierkalender 1987. Der Kinderbuchverlag, 1986.
Warning: These citations may not always be 100% accurate.