एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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