APA(7版)引用形式

Não informado. (2014). U.S. Geological Survey Professional Paper. U.S. Geological Survey Professional Paper.

Chicagoスタイル(17版)引用形式

Não informado. U.S. Geological Survey Professional Paper. Washington: U.S. Geological Survey Professional Paper, 2014.

MLA(8版)引用形式

Não informado. U.S. Geological Survey Professional Paper. U.S. Geological Survey Professional Paper, 2014.

警告: この引用は必ずしも正確ではありません.