APA-viite (7. p.)

Pareigis, B. (1970). Categories and functors. Academic Press.

Chicago-viite (17. p.)

Pareigis, Bodo. Categories and Functors. New York: Academic Press, 1970.

MLA-viite (9. p.)

Pareigis, Bodo. Categories and Functors. Academic Press, 1970.