@article{683,
  author = {Eugene A. Quarrick and Robert E. Rankin},
  title = {Intrinsic motivation in 4-H},
  year = {1965},
  journal = {Journal of Extension},
  volume = {3},
  pages = {42-50},
  month = {04/1965},
  url = {https://archives.joe.org/joe/1965spring/1965-1-a6.pdf},
  language = {eng},
}