APA (7th ed.) Citation

Allen, J. L. (2013). The Last Christmas Tree: An Idyl of Immortality. Project Gutenberg.

Chicago Style (17th ed.) Citation

Allen, James Lane. The Last Christmas Tree: An Idyl of Immortality. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Allen, James Lane. The Last Christmas Tree: An Idyl of Immortality. Project Gutenberg, 2013.

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