Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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