APA (7th ed.) Citation

Baumert, I., Arfert, J., & Radloff, E. (1968). Pionierkalender 1969. Kinderbuchverlag.

Chicago Style (17th ed.) Citation

Baumert, Ingeborg, Joachim Arfert, and Egon Radloff. Pionierkalender 1969. Berlin: Kinderbuchverlag, 1968.

MLA (8th ed.) Citation

Baumert, Ingeborg, et al. Pionierkalender 1969. Kinderbuchverlag, 1968.