Cite
The oldest known paleosol profiles on Earth: 3.46 Ga Panorama Formation, Western Australia.
MLA
Retallack, Gregory J. “The Oldest Known Paleosol Profiles on Earth: 3.46 Ga Panorama Formation, Western Australia.” Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 489, Jan. 2018, pp. 230–48. EBSCOhost, https://doi.org/10.1016/j.palaeo.2017.10.013.
APA
Retallack, G. J. (2018). The oldest known paleosol profiles on Earth: 3.46 Ga Panorama Formation, Western Australia. Palaeogeography, Palaeoclimatology, Palaeoecology, 489, 230–248. https://doi.org/10.1016/j.palaeo.2017.10.013
Chicago
Retallack, Gregory J. 2018. “The Oldest Known Paleosol Profiles on Earth: 3.46 Ga Panorama Formation, Western Australia.” Palaeogeography, Palaeoclimatology, Palaeoecology 489 (January): 230–48. doi:10.1016/j.palaeo.2017.10.013.