APA (7th ed.) Citation

Ludwig, V., Michel, D., & Heymann, B. (1981). Alles Plastik.

Chicago Style (17th ed.) Citation

Ludwig, Volker, Detlef Michel, and Birger Heymann. Alles Plastik. Berlin, 1981.

MLA (9th ed.) Citation

Ludwig, Volker, et al. Alles Plastik. 1981.

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