APA
Sandweiss D. H., Andrus C. F. T., Kelley A. R., Maasch K. A., Reitz E. J. & Roscoe P. B. (20200709). Archaeological climate proxies and the complexities of reconstructing Holocene El Niño in coastal Peru. : Proceedings of the National Academy of Sciences of the United States of America.
Chicago
Sandweiss Daniel H, Andrus C Fred T, Kelley Alice R, Maasch Kirk A, Reitz Elizabeth J and Roscoe Paul B. 20200709. Archaeological climate proxies and the complexities of reconstructing Holocene El Niño in coastal Peru. : Proceedings of the National Academy of Sciences of the United States of America.
Harvard
Sandweiss D. H., Andrus C. F. T., Kelley A. R., Maasch K. A., Reitz E. J. and Roscoe P. B. (20200709). Archaeological climate proxies and the complexities of reconstructing Holocene El Niño in coastal Peru. : Proceedings of the National Academy of Sciences of the United States of America.
MLA
Sandweiss Daniel H, Andrus C Fred T, Kelley Alice R, Maasch Kirk A, Reitz Elizabeth J and Roscoe Paul B. Archaeological climate proxies and the complexities of reconstructing Holocene El Niño in coastal Peru. : Proceedings of the National Academy of Sciences of the United States of America. 20200709.