APA (7th ed.) Citation

Labriola , A., Masini , P. C., & Labriola , F. S. (1958). Lettere a Silvio Spaventa. [s.n.].

Chicago Style (17th ed.) Citation

Labriola , Antonio, Pier Carlo Masini , and Francesco Saverio Labriola. Lettere a Silvio Spaventa. Milano: [s.n.], 1958.

MLA (8th ed.) Citation

Labriola , Antonio, et al. Lettere a Silvio Spaventa. [s.n.], 1958.

Warning: These citations may not always be 100% accurate.