APA

Isley S. C., Stern P. C., Carmichael S. P., Joseph K. M. & Arent D. J. (20180125). Online purchasing creates opportunities to lower the life cycle carbon footprints of consumer products. : Proceedings of the National Academy of Sciences of the United States of America.

Chicago

Isley Steven C, Stern Paul C, Carmichael Scott P, Joseph Karun M and Arent Douglas J. 20180125. Online purchasing creates opportunities to lower the life cycle carbon footprints of consumer products. : Proceedings of the National Academy of Sciences of the United States of America.

Harvard

Isley S. C., Stern P. C., Carmichael S. P., Joseph K. M. and Arent D. J. (20180125). Online purchasing creates opportunities to lower the life cycle carbon footprints of consumer products. : Proceedings of the National Academy of Sciences of the United States of America.

MLA

Isley Steven C, Stern Paul C, Carmichael Scott P, Joseph Karun M and Arent Douglas J. Online purchasing creates opportunities to lower the life cycle carbon footprints of consumer products. : Proceedings of the National Academy of Sciences of the United States of America. 20180125.