APA (7th ed.) Citation

Prentice, A. (2005). The Gray Goose's Story. Project Gutenberg.

Chicago Style (17th ed.) Citation

Prentice, Amy. The Gray Goose's Story. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Prentice, Amy. The Gray Goose's Story. Project Gutenberg, 2005.

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