APA (7th ed.) Citation

Johnstone, P. T. (1977). Topos theory. Academic Press.

Chicago Style (17th ed.) Citation

Johnstone, P. T. Topos Theory. London New York: Academic Press, 1977.

MLA (9th ed.) Citation

Johnstone, P. T. Topos Theory. Academic Press, 1977.

Warning: These citations may not always be 100% accurate.