Cita APA (7a ed.)

Cooley, J. C. (1949). A primer of formal logic. The Macmillan company.

Cita Chicago Style (17a ed.)

Cooley, John Cleveland. A Primer of Formal Logic. New York: The Macmillan company, 1949.

Cita MLA (9a ed.)

Cooley, John Cleveland. A Primer of Formal Logic. The Macmillan company, 1949.