APA (7th ed.) Citation

Clifford, W. K., & Campbell, E. (2009). Very Short Stories and Verses For Children. Project Gutenberg.

Chicago Style (17th ed.) Citation

Clifford, W. K., and Edith Campbell. Very Short Stories and Verses For Children. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Clifford, W. K., and Edith Campbell. Very Short Stories and Verses For Children. Project Gutenberg, 2009.

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