APA

Copi I. M., Gould J. A., . (1967). Contemporary readings in logical theory. New York: Macmillan.

Chicago

Copi Irving M, Gould James Adams, . 1967. Contemporary readings in logical theory. New York: Macmillan.

Harvard

Copi I. M., Gould J. A., . (1967). Contemporary readings in logical theory. New York: Macmillan.

MLA

Copi Irving M, Gould James Adams, . Contemporary readings in logical theory. New York: Macmillan. 1967.