Butterfield, H. (1957). George III and the historians. Collins.
Chicagoスタイル(17版)引用形式Butterfield, Herbert. George III and the Historians. London: Collins, 1957.
MLA(8版)引用形式Butterfield, Herbert. George III and the Historians. Collins, 1957.
警告: この引用は必ずしも正確ではありません.