Citazione Stile APA (7a Edizione)

McElwain, J., Wagner, P., & Hesselbo, S. (2009). Fossil plant relative abundances indicate sudden loss of Late Triassic biodiversity in East Greenland.

Citazione stile Chigago Style (17a edizione)

McElwain, J., P. Wagner, e S. Hesselbo. Fossil Plant Relative Abundances Indicate Sudden Loss of Late Triassic Biodiversity in East Greenland. 2009.

Citatione MLA (9a ed.)

McElwain, J., et al. Fossil Plant Relative Abundances Indicate Sudden Loss of Late Triassic Biodiversity in East Greenland. 2009.