(2020). The horrors of the 20th century and an optimistic message to the 21st century*.
Chicago Style (17th ed.) CitationThe Horrors of the 20th Century and an Optimistic Message to the 21st Century*. 2020.
MLA (8th ed.) CitationThe Horrors of the 20th Century and an Optimistic Message to the 21st Century*. 2020.
Warning: These citations may not always be 100% accurate.