APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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