एपीए उद्धरण

Simpson, G. G. Principles of animal taxonomy. Oxford book company.

शिकागो स्टाइल उद्धरण

Simpson, George Gaylord. Principles of Animal Taxonomy. New Delhi: Oxford book company.

एमएलए उद्धरण

Simpson, George Gaylord. Principles of Animal Taxonomy. Oxford book company.