APA (7th ed.) Citation

Hutchinson, H. N. (2013). The Story of the Hills A Book About Mountains for General Readers. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hutchinson, H. N. The Story of the Hills A Book About Mountains for General Readers. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Hutchinson, H. N. The Story of the Hills A Book About Mountains for General Readers. Project Gutenberg, 2013.

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