APA

Cohen M. R., . (1973). A preface to logic. Gloucester, Mass: Peter Smith.

Chicago

Cohen Morris Raphael, . 1973. A preface to logic. Gloucester, Mass: Peter Smith.

Harvard

Cohen M. R., . (1973). A preface to logic. Gloucester, Mass: Peter Smith.

MLA

Cohen Morris Raphael, . A preface to logic. Gloucester, Mass: Peter Smith. 1973.