APA (7th ed.) Citation

Johnstone, P. T. (2002). Sketches of an elephant : a topos theory compendium / Peter T. Johnstone: A topos theory compendium. Clarendon.

Chicago Style (17th ed.) Citation

Johnstone, Peter T. Sketches of an Elephant : A Topos Theory Compendium / Peter T. Johnstone: A Topos Theory Compendium. Oxford: Clarendon, 2002.

MLA (9th ed.) Citation

Johnstone, Peter T. Sketches of an Elephant : A Topos Theory Compendium / Peter T. Johnstone: A Topos Theory Compendium. Clarendon, 2002.

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