Formal logic :
its scope and limits /
Richard Jeffrey.

APA Citation

Jeffrey, R. C. (1990). Formal logic: its scope and limits. 3rd ed. New York: McGraw-Hill.

MLA Citation

Jeffrey, Richard C. Formal Logic: Its Scope And Limits. 3rd ed. New York: McGraw-Hill, 1990.

Warning: These citations may not always be complete (especially for serials).