APA (7th ed.) Citation

Kelley, R. E. (2007). The Book of Hallowe'en. Project Gutenberg.

Chicago Style (17th ed.) Citation

Kelley, Ruth Edna. The Book of Hallowe'en. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Kelley, Ruth Edna. The Book of Hallowe'en. Project Gutenberg, 2007.

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