APA (7th ed.) Citation

Armellini, M. (1880). Le catacombe romane. [s.n.].

Chicago Style (17th ed.) Citation

Armellini, Mariano. Le Catacombe Romane. Roma: [s.n.], 1880.

MLA (9th ed.) Citation

Armellini, Mariano. Le Catacombe Romane. [s.n.], 1880.