Cita APA (7th ed.)

BARKER, S. F. (1965). The Elements of logic. McGraw-Hill.

Cita Chicago (17th ed.)

BARKER, Stephen F. The Elements of Logic. New York: McGraw-Hill, 1965.

Cita MLA (9th ed.)

BARKER, Stephen F. The Elements of Logic. McGraw-Hill, 1965.