Armstrong, D. M. (1989). A combinatorial theory of possibility (1. publ.). Cambridge Univ. Pr.
Chicago Style (17th ed.) CitationArmstrong, David M. A Combinatorial Theory of Possibility. 1. publ. Cambridge u.a: Cambridge Univ. Pr, 1989.
MLA (9th ed.) CitationArmstrong, David M. A Combinatorial Theory of Possibility. 1. publ. Cambridge Univ. Pr, 1989.
Warning: These citations may not always be 100% accurate.