@Book{sitereport_7013,
 author = "櫛形町教育委員会, ",
 title = "椿城跡",
 volume = "",
 publisher = "櫛形町教育委員会",
 year = 1991,
 series = "櫛形町文化財調査報告",
 number = "6",
 url = https://sitereports.nabunken.go.jp/7013,
 }