Παραπομπή σε μορφή APA (7η εκδ.)

Harper, D., Hammarlund, E., Topper, T., Nielsen, A., Rasmussen, J., Park, T., & Smith, M. (2019). The Sirius Passet Lagerstätte of North Greenland: A remote window on the Cambrian Explosion. Geological Society of London.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Harper, D., E. Hammarlund, T. Topper, A. Nielsen, J. Rasmussen, T. Park, και M. Smith. The Sirius Passet Lagerstätte of North Greenland: A Remote Window on the Cambrian Explosion. Geological Society of London, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

Harper, D., et al. The Sirius Passet Lagerstätte of North Greenland: A Remote Window on the Cambrian Explosion. Geological Society of London, 2019.