APA (7th ed.) Citation

Hughes, G. E., & Cresswell, M. J. (1990). Guida alla logica modale. Ed. CLUEB.

Chicago Style (17th ed.) Citation

Hughes, George E., and Maxwell J. Cresswell. Guida Alla Logica Modale. Bologna: Ed. CLUEB, 1990.

MLA (9th ed.) Citation

Hughes, George E., and Maxwell J. Cresswell. Guida Alla Logica Modale. Ed. CLUEB, 1990.

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