APA (7th ed.) Citation

Barr, M., & Wells, C. (1985). Toposes, Triples and Theories. springer-Verlag.

Chicago Style (17th ed.) Citation

Barr, Michael, and Charles Wells. Toposes, Triples and Theories. New york: springer-Verlag, 1985.

MLA (9th ed.) Citation

Barr, Michael, and Charles Wells. Toposes, Triples and Theories. springer-Verlag, 1985.