Não informado. (1984). List of Members. Geological Society of London.
Chicagoスタイル(17版)引用形式Não informado. List of Members. London: Geological Society of London, 1984.
MLA(8版)引用形式Não informado. List of Members. Geological Society of London, 1984.
警告: この引用は必ずしも正確ではありません.