APA aipamena

Cooley, J. C. (1942). A primer of formal logic. Macmillan.

Chicago Style aipamena

Cooley, John Cleveland. A Primer of Formal Logic. New York: Macmillan, 1942.

MLA aipamena

Cooley, John Cleveland. A Primer of Formal Logic. Macmillan, 1942.