{
  "book": {
    "authors": [
      "Peter J. Ketchum"
    ],
    "authorship": "known",
    "publisher": "Hayes School Publishing",
    "title": "Hayes Mastery Drills in Reading Level E"
  },
  "cached": true,
  "citations": {
    "apa": "Ketchum, P. J. (1992). Hayes Mastery Drills in Reading Level E. Hayes School Publishing.",
    "bibtex": "@book{isbn9780883137864,\n  title = {Hayes Mastery Drills in Reading Level E},\n  author = {{Peter J. Ketchum}},\n  publisher = {Hayes School Publishing},\n  year = {1992},\n  isbn = {9780883137864},\n}",
    "chicago": "Ketchum, Peter J. Hayes Mastery Drills in Reading Level E. Hayes School Publishing, 1992.",
    "mla": "Ketchum, Peter J. Hayes Mastery Drills in Reading Level E. Hayes School Publishing, 1992.",
    "wp": "{{cite book |title=Hayes Mastery Drills in Reading Level E |author1=Peter J. Ketchum |publisher=Hayes School Publishing |year=1992 |isbn=9780883137864}}"
  },
  "consulted": {
    "answered": 1,
    "consulted": 1,
    "not_asked": 0,
    "not_held": 0
  },
  "found": true,
  "isbn": {
    "input": "9780883137864",
    "isbn13": "9780883137864",
    "normalized": "9780883137864",
    "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"
  ]
}