APA (7th ed.) Citation

Johnstone, P. T. (2002). Sketches of an elephant: A topos theory compendium. Oxford University.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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