Callahan, J., Danquart, D., Cappellari, C., & Hepp, D. (1993). Crippled to be free: Dokumentarfilm über John Callahan ; Cartoonist. ZDF.
Chicago Style (17th ed.) CitationCallahan, John, Didi Danquart, Ciro Cappellari, and Doris Hepp. Crippled to Be Free: Dokumentarfilm über John Callahan ; Cartoonist. [Mainz]: ZDF, 1993.
MLA (9th ed.) CitationCallahan, John, et al. Crippled to Be Free: Dokumentarfilm über John Callahan ; Cartoonist. ZDF, 1993.
Warning: These citations may not always be 100% accurate.