Peterson, C. (2020). Earth Day and the environmental movement: Standing up for Earth. Twenty-First Century Books.
Цитирование в стиле Чикаго (17-е изд.)Peterson, Christy. Earth Day and the Environmental Movement: Standing Up for Earth. Minneapolis: Twenty-First Century Books, 2020.
Цитирование MLA (8-е изд.)Peterson, Christy. Earth Day and the Environmental Movement: Standing Up for Earth. Twenty-First Century Books, 2020.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.