Cite
Indices of biotic integrity in stated preference valuation of aquatic ecosystem services
MLA
Johnston, Robert J., et al. “Indices of Biotic Integrity in Stated Preference Valuation of Aquatic Ecosystem Services.” Ecological Economics, vol. 70, no. 11, Sept. 2011, pp. 1946–56. EBSCOhost, https://doi.org/10.1016/j.ecolecon.2011.06.018.
APA
Johnston, R. J., Segerson, K., Schultz, E. T., Besedin, E. Y., & Ramachandran, M. (2011). Indices of biotic integrity in stated preference valuation of aquatic ecosystem services. Ecological Economics, 70(11), 1946–1956. https://doi.org/10.1016/j.ecolecon.2011.06.018
Chicago
Johnston, Robert J., Kathleen Segerson, Eric T. Schultz, Elena Y. Besedin, and Mahesh Ramachandran. 2011. “Indices of Biotic Integrity in Stated Preference Valuation of Aquatic Ecosystem Services.” Ecological Economics 70 (11): 1946–56. doi:10.1016/j.ecolecon.2011.06.018.