{
  "book": {
    "authors": [
      "Ian Atkin"
    ],
    "authorship": "known",
    "publisher": "Independently Published",
    "subtitle": "Expert Level",
    "title": "Sudoku Puzzles for Geniuses"
  },
  "cached": true,
  "citations": {
    "apa": "Atkin, I. (n.d.). Sudoku Puzzles for Geniuses: Expert Level. Independently Published.",
    "bibtex": "@book{isbn9798531400918,\n  title = {Sudoku Puzzles for Geniuses: Expert Level},\n  author = {{Ian Atkin}},\n  publisher = {Independently Published},\n  language = {eng},\n  isbn = {9798531400918},\n}",
    "chicago": "Atkin, Ian. Sudoku Puzzles for Geniuses: Expert Level. Independently Published, n.d.",
    "mla": "Atkin, Ian. Sudoku Puzzles for Geniuses: Expert Level. Independently Published.",
    "wp": "{{cite book |title=Sudoku Puzzles for Geniuses: Expert Level |author1=Ian Atkin |publisher=Independently Published |language=en |isbn=9798531400918}}"
  },
  "consulted": {
    "answered": 1,
    "consulted": 1,
    "not_asked": 0,
    "not_held": 0
  },
  "found": true,
  "isbn": {
    "input": "9798531400918",
    "isbn13": "9798531400918",
    "normalized": "9798531400918",
    "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"
  ]
}