APA

Sandweiss D. H., Solís R. S., Moseley M. E., Keefer D. K. & Ortloff C. R. (20090227). Environmental change and economic development in coastal Peru between 5,800 and 3,600 years ago. : Proceedings of the National Academy of Sciences of the United States of America.

Chicago

Sandweiss Daniel H, Solís Ruth Shady, Moseley Michael E, Keefer David K and Ortloff Charles R. 20090227. Environmental change and economic development in coastal Peru between 5,800 and 3,600 years ago. : Proceedings of the National Academy of Sciences of the United States of America.

Harvard

Sandweiss D. H., Solís R. S., Moseley M. E., Keefer D. K. and Ortloff C. R. (20090227). Environmental change and economic development in coastal Peru between 5,800 and 3,600 years ago. : Proceedings of the National Academy of Sciences of the United States of America.

MLA

Sandweiss Daniel H, Solís Ruth Shady, Moseley Michael E, Keefer David K and Ortloff Charles R. Environmental change and economic development in coastal Peru between 5,800 and 3,600 years ago. : Proceedings of the National Academy of Sciences of the United States of America. 20090227.