एपीए उद्धरण

Heaps, H. S. (1978). Information retrieval: Computational and theoretical aspects. Academic Press.

शिकागो स्टाइल उद्धरण

Heaps, H. S. Information Retrieval: Computational and Theoretical Aspects. New York: Academic Press, 1978.

एमएलए उद्धरण

Heaps, H. S. Information Retrieval: Computational and Theoretical Aspects. Academic Press, 1978.