APA

Jeffrey R. C., . (1967). Formal logic: its scope and limits. New York [u.a.]: McGraw-Hill.

Chicago

Jeffrey Richard C, . 1967. Formal logic: its scope and limits. New York [u.a.]: McGraw-Hill.

Harvard

Jeffrey R. C., . (1967). Formal logic: its scope and limits. New York [u.a.]: McGraw-Hill.

MLA

Jeffrey Richard C, . Formal logic: its scope and limits. New York [u.a.]: McGraw-Hill. 1967.