@misc{indiciae181fefac2cf8,
  title = {Is gratitude a moral affect?},
  author = {M E McCullough and S D Kilpatrick and R A Emmons and D B Larson},
  year = {2001},
  doi = {10.1037/0033-2909.127.2.249},
  url = {https://pubmed.ncbi.nlm.nih.gov/11316013/},
  note = {Source identifier: 11316013}
}