एपीए उद्धरण

Knoll,Andrew H, Knoll, A. H., Canfield, D. E., & Konhauser, K. (2012). Fundamentals of geobiology. Wiley-Blackwell.

शिकागो स्टाइल उद्धरण

Knoll,Andrew H, Andrew H. Knoll, Donald E. Canfield, और Kurt Konhauser. Fundamentals of Geobiology. Chichester, West Sussex, UK ; Hoboken, NJ: Wiley-Blackwell, 2012.

एमएलए उद्धरण

Knoll,Andrew H, et al. Fundamentals of Geobiology. Wiley-Blackwell, 2012.