APA引用形式

Maynard, R. L. (1993). Air pollution: Should we be concerned about it?

シカゴスタイル引用形

Maynard, R L. Air Pollution: Should We Be Concerned About It? 1993.

MLA引用形式

Maynard, R L. Air Pollution: Should We Be Concerned About It? 1993.

警告: この引用は必ずしも正確ではありません.