APA
Steffen W., Rockström J., Richardson K., Lenton T. M., Folke C., Liverman D., Summerhayes C. P., Barnosky A. D., Cornell S. E., Crucifix M., Donges J. F., Fetzer I., Lade S. J., Scheffer M., Winkelmann R. & Schellnhuber H. J. (20180914). Trajectories of the Earth System in the Anthropocene. : Proceedings of the National Academy of Sciences of the United States of America.
Chicago
Steffen Will, Rockström Johan, Richardson Katherine, Lenton Timothy M, Folke Carl, Liverman Diana, Summerhayes Colin P, Barnosky Anthony D, Cornell Sarah E, Crucifix Michel, Donges Jonathan F, Fetzer Ingo, Lade Steven J, Scheffer Marten, Winkelmann Ricarda and Schellnhuber Hans Joachim. 20180914. Trajectories of the Earth System in the Anthropocene. : Proceedings of the National Academy of Sciences of the United States of America.
Harvard
Steffen W., Rockström J., Richardson K., Lenton T. M., Folke C., Liverman D., Summerhayes C. P., Barnosky A. D., Cornell S. E., Crucifix M., Donges J. F., Fetzer I., Lade S. J., Scheffer M., Winkelmann R. and Schellnhuber H. J. (20180914). Trajectories of the Earth System in the Anthropocene. : Proceedings of the National Academy of Sciences of the United States of America.
MLA
Steffen Will, Rockström Johan, Richardson Katherine, Lenton Timothy M, Folke Carl, Liverman Diana, Summerhayes Colin P, Barnosky Anthony D, Cornell Sarah E, Crucifix Michel, Donges Jonathan F, Fetzer Ingo, Lade Steven J, Scheffer Marten, Winkelmann Ricarda and Schellnhuber Hans Joachim. Trajectories of the Earth System in the Anthropocene. : Proceedings of the National Academy of Sciences of the United States of America. 20180914.