APA (7th ed.) Citation

(2007). Ring o' Roses: A Nursery Rhyme Picture Book. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ring O' Roses: A Nursery Rhyme Picture Book. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Ring O' Roses: A Nursery Rhyme Picture Book. Project Gutenberg, 2007.

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