{
  "book": {
    "authors": [
      "Peter Van Roy",
      "Seif Haridi"
    ],
    "authorship": "known",
    "city": "Cambridge, Massachusetts, USA",
    "pages": 930,
    "publisher": "The MIT Press",
    "title": "Concepts, Techniques, and Models of Computer Programming"
  },
  "cached": true,
  "citations": {
    "apa": "Van Roy, P., \u0026 Haridi, S. (2004). Concepts, Techniques, and Models of Computer Programming. The MIT Press.",
    "bibtex": "@book{isbn9780262220699,\n  title = {Concepts, Techniques, and Models of Computer Programming},\n  author = {{Peter Van Roy} and {Seif Haridi}},\n  publisher = {The MIT Press},\n  address = {Cambridge, Massachusetts, USA},\n  year = {2004},\n  language = {eng},\n  isbn = {9780262220699},\n}",
    "chicago": "Roy, Peter Van, and Seif Haridi. Concepts, Techniques, and Models of Computer Programming. The MIT Press, 2004.",
    "mla": "Van Roy, Peter, and Seif Haridi. Concepts, Techniques, and Models of Computer Programming. MIT Press, 2004.",
    "wp": "{{cite book |title=Concepts, Techniques, and Models of Computer Programming |author1=Peter Van Roy |author2=Seif Haridi |publisher=The MIT Press |location=Cambridge, Massachusetts, USA |year=2004 |language=en |isbn=9780262220699}}"
  },
  "consulted": {
    "answered": 1,
    "consulted": 1,
    "not_asked": 0,
    "not_held": 0
  },
  "found": true,
  "isbn": {
    "input": "9780262220699",
    "isbn13": "9780262220699",
    "normalized": "9780262220699",
    "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"
  ]
}