APA

Wright G. H. v., . (1968). An essay deontic logic and the general theory of action: with a bibliography of deontic and imperative logic. Amsterdam: North-Holland Pub. Co.

Chicago

Wright Georg Henrik von, . 1968. An essay deontic logic and the general theory of action: with a bibliography of deontic and imperative logic. Amsterdam: North-Holland Pub. Co.

Harvard

Wright G. H. v., . (1968). An essay deontic logic and the general theory of action: with a bibliography of deontic and imperative logic. Amsterdam: North-Holland Pub. Co.

MLA

Wright Georg Henrik von, . An essay deontic logic and the general theory of action: with a bibliography of deontic and imperative logic. Amsterdam: North-Holland Pub. Co. 1968.