editrice>, S. &. K. <., & Oliva , R. (1989). Catalogo storico Sperling & Kupfer editori. Sperling & Kupfer.
Chicago Style (17th ed.) Citationeditrice>, Sperling & Kupfer <casa, and Roberta Oliva. Catalogo Storico Sperling & Kupfer Editori. Sperling & Kupfer, 1989.
MLA (8th ed.) Citationeditrice>, Sperling & Kupfer <casa, and Roberta Oliva. Catalogo Storico Sperling & Kupfer Editori. Sperling & Kupfer, 1989.
Warning: These citations may not always be 100% accurate.