APA (7th ed.) Citation

Yang, J. (2025). A universe big & small: A story about Carl Sagan. Viking, an imprint of Penguin Random House LLC.

Chicago Style (17th ed.) Citation

Yang, James. A Universe Big & Small: A Story About Carl Sagan. New York, New York: Viking, an imprint of Penguin Random House LLC, 2025.

MLA (8th ed.) Citation

Yang, James. A Universe Big & Small: A Story About Carl Sagan. Viking, an imprint of Penguin Random House LLC, 2025.

Warning: These citations may not always be 100% accurate.