APA   Click to copy
Marquis, R. J. (2020). Missouri oak trees as caterpillar treasure troves. Petal Pusher (Missouri Native Plant Society), 35(4), 6–8.

Chicago/Turabian   Click to copy
Marquis, Robert J. “Missouri Oak Trees as Caterpillar Treasure Troves.” Petal Pusher (Missouri Native Plant Society) 35, no. 4 (2020): 6–8.

MLA   Click to copy
Marquis, Robert J. “Missouri Oak Trees as Caterpillar Treasure Troves.” Petal Pusher (Missouri Native Plant Society), vol. 35, no. 4, 2020, pp. 6–8.

@article{marquis2020a,
  title = {Missouri oak trees as caterpillar treasure troves},
  year = {2020},
  issue = {4},
  journal = {Petal Pusher (Missouri Native Plant Society)},
  pages = {6-8},
  volume = {35},
  author = {Marquis, Robert J}
}