Isotopic paleoecology of Clovis mammoths from Arizona.

MLA

MetcaIfe, Jessica Z., et al. “Isotopic Paleoecology of Clovis Mammoths from Arizona.” Proceedings of the National Academy of Sciences of the United States of America, vol. 108, no. 44, Nov. 2011, pp. 17916–20. EBSCOhost, https://doi.org/10.1073/pnas.1113881108.

APA

MetcaIfe, J. Z., Longstaffe, F. J., Ballenger, J. A. M., & Haynes, J. . C. V. (2011). Isotopic paleoecology of Clovis mammoths from Arizona. Proceedings of the National Academy of Sciences of the United States of America, 108(44), 17916–17920. https://doi.org/10.1073/pnas.1113881108

Chicago

MetcaIfe, Jessica Z., Fred J. Longstaffe, Jesse A. M. Ballenger, and Jr., C. Vance Haynes. 2011. “Isotopic Paleoecology of Clovis Mammoths from Arizona.” Proceedings of the National Academy of Sciences of the United States of America 108 (44): 17916–20. doi:10.1073/pnas.1113881108.