Chellas, B. F. (1995). Modal logic: An introduction. Cambridge University Press.
Chicago Style (17th ed.) CitationChellas, Brian F. Modal Logic: An Introduction. Cambridge: Cambridge University Press, 1995.
MLA (8th ed.) CitationChellas, Brian F. Modal Logic: An Introduction. Cambridge University Press, 1995.
Warning: These citations may not always be 100% accurate.
