APA(7版)引用形式

Não informado. (1973). Journal of research of the United States Geological Survey. U.S. Geological Survey.

Chicagoスタイル(17版)引用形式

Não informado. Journal of Research of the United States Geological Survey. Washington: U.S. Geological Survey, 1973.

MLA(8版)引用形式

Não informado. Journal of Research of the United States Geological Survey. U.S. Geological Survey, 1973.

警告: この引用は必ずしも正確ではありません.