APA (7th ed.) Citation

Back, W. (1995). Water management by early people in the Yucatan, Mexico. Environmental Geology, 25, 239. https://doi.org/10.1007/BF00766752

Chicago Style (17th ed.) Citation

Back, W. "Water Management by Early People in the Yucatan, Mexico." Environmental Geology 25 (1995): 239. https://doi.org/10.1007/BF00766752.

MLA (9th ed.) Citation

Back, W. "Water Management by Early People in the Yucatan, Mexico." Environmental Geology, vol. 25, 1995, p. 239, https://doi.org/10.1007/BF00766752.