APA (7th ed.) Citation

Lefebvre, B., Sumrall, C., Shroat-Lewis, R., Reich, M., Webster, G., Hunter, A., . . . Sprinkle, J. (2013). Palaeobiogeography of Ordovician echinoderms. Geological Society of London.

Chicago Style (17th ed.) Citation

Lefebvre, B., et al. Palaeobiogeography of Ordovician Echinoderms. Geological Society of London, 2013.

MLA (9th ed.) Citation

Lefebvre, B., et al. Palaeobiogeography of Ordovician Echinoderms. Geological Society of London, 2013.

Warning: These citations may not always be 100% accurate.