APA (7th ed.) Citation

Ferri, S. (1962). " Quadratus " e " Tetrâs " (1950).

Chicago Style (17th ed.) Citation

Ferri, Silvio. " Quadratus " E " Tetrâs " (1950). 1962.

MLA (9th ed.) Citation

Ferri, Silvio. " Quadratus " E " Tetrâs " (1950). 1962.

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