एपीए उद्धरण

Prasad, S. (2009). Biological weapons. Discovery publishing.

शिकागो स्टाइल उद्धरण

Prasad, S.K. Biological Weapons. New Delhi: Discovery publishing, 2009.

एमएलए उद्धरण

Prasad, S.K. Biological Weapons. Discovery publishing, 2009.