Petr, K. (1970). Mutuo appoggio (Il). 2. EnnEsse.
Chicago Style (17th ed.) CitationPetr, Kropotkin. Mutuo Appoggio (Il). 2. EnnEsse, 1970.
MLA (8th ed.) CitationPetr, Kropotkin. Mutuo Appoggio (Il). 2. EnnEsse, 1970.
Warning: These citations may not always be 100% accurate.