APA (7th ed.) Citation

Wilcox, E. W. (2005). Poems of Optimism. Project Gutenberg.

Chicago Style (17th ed.) Citation

Wilcox, Ella Wheeler. Poems of Optimism. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Wilcox, Ella Wheeler. Poems of Optimism. Project Gutenberg, 2005.

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