APA
Block Irving,, . (1981). Perspectives on the philosophy of Wittgenstein. Oxford: Basil Blackwell.
Chicago
Block Irving,, . 1981. Perspectives on the philosophy of Wittgenstein. Oxford: Basil Blackwell.
Harvard
Block Irving,, . (1981). Perspectives on the philosophy of Wittgenstein. Oxford: Basil Blackwell.
MLA
Block Irving,, . Perspectives on the philosophy of Wittgenstein. Oxford: Basil Blackwell. 1981.