{
  "book": {
    "authors": [
      "Jeffrey E. F. Friedl"
    ],
    "authorship": "known",
    "pages": 460,
    "publisher": "O'Reilly",
    "title": "Mastering Regular Expressions"
  },
  "cached": true,
  "citations": {
    "apa": "Friedl, J. E. F. (2002). Mastering Regular Expressions (2nd ed.). O'Reilly.",
    "bibtex": "@book{isbn9780596002893,\n  title = {Mastering Regular Expressions},\n  author = {{Jeffrey E. F. Friedl}},\n  publisher = {O'Reilly},\n  year = {2002},\n  edition = {2nd},\n  language = {eng},\n  isbn = {9780596002893},\n}",
    "chicago": "Friedl, Jeffrey E. F. Mastering Regular Expressions. 2nd ed. O'Reilly, 2002.",
    "mla": "Friedl, Jeffrey E. F. Mastering Regular Expressions. 2nd ed., O'Reilly, 2002.",
    "wp": "{{cite book |title=Mastering Regular Expressions |author1=Jeffrey E. F. Friedl |publisher=O\u0026#39;Reilly |year=2002 |edition=2nd |language=en |isbn=9780596002893}}"
  },
  "consulted": {
    "answered": 1,
    "consulted": 1,
    "not_asked": 0,
    "not_held": 0
  },
  "found": true,
  "isbn": {
    "input": "9780596002893",
    "isbn13": "9780596002893",
    "normalized": "9780596002893",
    "valid": true
  },
  "ok": true,
  "quality": {
    "state": "partial",
    "omissions": [
      {
        "field": "place",
        "reason": "conflicting_evidence"
      },
      {
        "field": "issued",
        "reason": "missing_evidence"
      },
      {
        "field": "responsibility",
        "reason": "unverified_roles"
      }
    ]
  },
  "supported_styles": [
    "mla",
    "apa",
    "chicago",
    "wp",
    "bibtex"
  ]
}
