APA   Click to copy
Grady, J. R., & Madden, A. S. (2009). Integrating the Sciences to Investigate Groundwater Pollution. Science Activities: Classroom Projects and Curriculum Ideas, 46, 7–14. https://doi.org/10.3200/sats.46.4.7-14

Chicago/Turabian   Click to copy
Grady, Julie R., and Andrew S. Madden. “Integrating the Sciences to Investigate Groundwater Pollution.” Science Activities: Classroom Projects and Curriculum Ideas 46 (2009): 7–14.

MLA   Click to copy
Grady, Julie R., and Andrew S. Madden. “Integrating the Sciences to Investigate Groundwater Pollution.” Science Activities: Classroom Projects and Curriculum Ideas, vol. 46, 2009, pp. 7–14, doi:10.3200/sats.46.4.7-14.

@article{grady2009a,
  title = {Integrating the Sciences to Investigate Groundwater Pollution},
  year = {2009},
  journal = {Science Activities: Classroom Projects and Curriculum Ideas},
  pages = {7–14},
  volume = {46},
  doi = {10.3200/sats.46.4.7-14},
  author = {Grady, Julie R. and Madden, Andrew S.}
}