APA (7th ed.) Citation

Lindsay, B. (2012). Stories of the Universe: Animal Life. Project Gutenberg.

Chicago Style (17th ed.) Citation

Lindsay, B. Stories of the Universe: Animal Life. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Lindsay, B. Stories of the Universe: Animal Life. Project Gutenberg, 2012.

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