Peterson, C. (2020). Earth Day and the environmental movement: Standing up for Earth. Twenty-First Century Books.
Chicago Style (17th ed.) CitationPeterson, Christy. Earth Day and the Environmental Movement: Standing Up for Earth. Minneapolis: Twenty-First Century Books, 2020.
MLA引文Peterson, Christy. Earth Day and the Environmental Movement: Standing Up for Earth. Twenty-First Century Books, 2020.
警告：這些引文格式不一定是100％准確.