APA (7th ed.) Citation

Gladden, W., & Carman, B. (2004). The World's Best Poetry, Volume 4: The Higher Life. Project Gutenberg.

Chicago Style (17th ed.) Citation

Gladden, Washington, and Bliss Carman. The World's Best Poetry, Volume 4: The Higher Life. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Gladden, Washington, and Bliss Carman. The World's Best Poetry, Volume 4: The Higher Life. Project Gutenberg, 2004.

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