Barr, M., & Wells, C. (1985). Toposes, triples and theories. Springer.
Chicago Style (17th ed.) CitationBarr, Michael, and Charles Wells. Toposes, Triples and Theories. New York u.a: Springer, 1985.
MLA (9th ed.) CitationBarr, Michael, and Charles Wells. Toposes, Triples and Theories. Springer, 1985.
Warning: These citations may not always be 100% accurate.