{
  "book": {
    "authors": [
      "Robert D. Barnes"
    ],
    "authorship": "known",
    "city": "Philadelphia",
    "pages": 1089,
    "publisher": "Saunders College",
    "title": "Invertebrate zoology"
  },
  "cached": true,
  "citations": {
    "apa": "Barnes, R. D. (1980). Invertebrate zoology (4th ed.). Saunders College.",
    "bibtex": "@book{isbn9780030567476,\n  title = {Invertebrate zoology},\n  author = {{Robert D. Barnes}},\n  publisher = {Saunders College},\n  address = {Philadelphia},\n  year = {1980},\n  edition = {4th},\n  language = {eng},\n  isbn = {9780030567476},\n}",
    "chicago": "Barnes, Robert D. Invertebrate Zoology. 4th ed. Saunders College, 1980.",
    "mla": "Barnes, Robert D. Invertebrate Zoology. 4th ed., Saunders College, 1980.",
    "wp": "{{cite book |title=Invertebrate zoology |author1=Robert D. Barnes |publisher=Saunders College |location=Philadelphia |year=1980 |edition=4th |language=en |isbn=9780030567476}}"
  },
  "consulted": {
    "answered": 1,
    "consulted": 1,
    "not_asked": 0,
    "not_held": 0
  },
  "found": true,
  "isbn": {
    "input": "9780030567476",
    "isbn13": "9780030567476",
    "normalized": "9780030567476",
    "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"
  ]
}