एपीए उद्धरण

Bucus, I., & Deleanu, A. (1968). Introduction to the Theory of Categories and Functors. London: John Wiley and Sons.

शिकागो स्टाइल उद्धरण

Bucus, Ion, और Aristide Deleanu. Introduction to the Theory of Categories and Functors. London: John Wiley and Sons, 1968.

एमएलए उद्धरण

Bucus, Ion, और Aristide Deleanu. Introduction to the Theory of Categories and Functors. London: John Wiley and Sons, 1968.