एपीए उद्धरण

Ericsson, R., Knight, R., & Johanson, Z. (2013). Evolution and development of the vertebrate neck. Blackwell Science Inc.

शिकागो स्टाइल उद्धरण

Ericsson, Rolf, Robert Knight, और Zerina Johanson. Evolution and Development of the Vertebrate Neck. Blackwell Science Inc, 2013.

एमएलए उद्धरण

Ericsson, Rolf, Robert Knight, और Zerina Johanson. Evolution and Development of the Vertebrate Neck. Blackwell Science Inc, 2013.