Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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