APA (7th ed.) Citation

Andersen, H. C. (2010). A Christmas Greeting: A Series of Stories. Project Gutenberg.

Chicago Style (17th ed.) Citation

Andersen, H. C. A Christmas Greeting: A Series of Stories. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Andersen, H. C. A Christmas Greeting: A Series of Stories. Project Gutenberg, 2010.

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