{
  "book": {
    "authors": [
      "Larry Wall",
      "Tom Christiansen",
      "Jon Orwant"
    ],
    "authorship": "known",
    "publisher": "Tandem Library",
    "title": "Programming Perl"
  },
  "cached": true,
  "citations": {
    "apa": "Wall, L., Christiansen, T., \u0026 Orwant, J. (2000). Programming Perl. Tandem Library.",
    "bibtex": "@book{isbn9781417625642,\n  title = {Programming Perl},\n  author = {{Larry Wall} and {Tom Christiansen} and {Jon Orwant}},\n  publisher = {Tandem Library},\n  year = {2000},\n  language = {eng},\n  isbn = {9781417625642},\n}",
    "chicago": "Wall, Larry, Tom Christiansen, and Jon Orwant. Programming Perl. Tandem Library, 2000.",
    "mla": "Wall, Larry, et al. Programming Perl. Tandem Library, 2000.",
    "wp": "{{cite book |title=Programming Perl |author1=Larry Wall |author2=Tom Christiansen |author3=Jon Orwant |publisher=Tandem Library |year=2000 |language=en |isbn=9781417625642}}"
  },
  "consulted": {
    "answered": 1,
    "consulted": 1,
    "not_asked": 0,
    "not_held": 0
  },
  "found": true,
  "isbn": {
    "input": "9781417625642",
    "isbn13": "9781417625642",
    "normalized": "9781417625642",
    "valid": true
  },
  "ok": true,
  "quality": {
    "state": "partial",
    "omissions": [
      {
        "field": "issued",
        "reason": "missing_evidence"
      },
      {
        "field": "responsibility",
        "reason": "unverified_roles"
      }
    ]
  },
  "supported_styles": [
    "mla",
    "apa",
    "chicago",
    "wp",
    "bibtex"
  ]
}
