APA (7th ed.) Citation

Barker, S. F. (1980). The elements of logic (3.ed.). MacGraw-Hill.

Chicago Style (17th ed.) Citation

Barker, Stephen F. The Elements of Logic. 3.ed. New York: MacGraw-Hill, 1980.

MLA (9th ed.) Citation

Barker, Stephen F. The Elements of Logic. 3.ed. MacGraw-Hill, 1980.