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APA Citation
Dickinson, J. L., Shirk, J., Bonter, D., Bonney, R., Crain, R. L., Martin, J., Phillips, T., & Purcell, K. (2012). the current state of citizen science as a tool for ecological research and public engagement. Frontiers in ecology and the environment, 10(6), 291–297. http://access.bl.uk/ark:/81055/vdc_100028647511.0x000016