APA

Copi I. M., Gould J., . (1964). Readings on logic. New York: Macmillan.

Chicago

Copi Irving M, Gould James, . 1964. Readings on logic. New York: Macmillan.

Harvard

Copi I. M., Gould J., . (1964). Readings on logic. New York: Macmillan.

MLA

Copi Irving M, Gould James, . Readings on logic. New York: Macmillan. 1964.