APA (7th ed.) Citation

Wells, H. G. (1990). The secret places of the heart. Project Gutenberg.

Chicago Style (17th ed.) Citation

Wells, H. G. The Secret Places of the Heart. Champaign, Ill: Project Gutenberg, 1990.

MLA (9th ed.) Citation

Wells, H. G. The Secret Places of the Heart. Project Gutenberg, 1990.

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