APA (7th ed.) Citation

Van Dyke, H. (1999). The Blue Flower. Project Gutenberg.

Chicago Style (17th ed.) Citation

Van Dyke, Henry. The Blue Flower. Project Gutenberg, 1999.

MLA (9th ed.) Citation

Van Dyke, Henry. The Blue Flower. Project Gutenberg, 1999.

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