Certification
- Australia:R
- Australia:M (cut)
- Germany:16
- Germany:16 (DVD uncut version)
- Italy:VM14
- Netherlands:18 (1974, original rating)
- Portugal:M/18
- Singapore:M18
- United Kingdom:18 (video rating)
- United States:R
- West Germany:(Banned) (original rating, cinema release)
- West Germany:18 (re-rating, cut)