APA (7th ed.) Citation

Mack, R. E., & Lawson, L. (2008). Christmas Roses. Project Gutenberg.

Chicago Style (17th ed.) Citation

Mack, Robert Ellice, and Lizzie Lawson. Christmas Roses. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Mack, Robert Ellice, and Lizzie Lawson. Christmas Roses. Project Gutenberg, 2008.

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