The elements of logic.
In four books ... designed particularly for young gentlemen at the university ...
By William Duncan.
APA Citation
Duncan, W. (1800). The elements of logic: In four books ... designed particularly for young gentlemen at the university ... The 9th ed. London: W. Otridge.
MLA Citation
Duncan, William, 1717-1760. The Elements of Logic: In Four Books ... Designed Particularly for Young Gentlemen At the University ... The 9th ed. London: W. Otridge, 1800.
Warning: These citations may not always be complete (especially for serials).