@article{garvan1931,
  address = {Washinton, D.C.},
  author  = {Garvan, J. M.},
  journal = {Memoirs of National Academy of Sciences},
  key     = {Garvan (1931)},
  pages   = {1-231},
  title   = {The Manóbos of Mindanáo},
  volume  = {23},
  year    = {1931}
}