APA (7th ed.) Citation

Yeats, W. B. (2010). Seven Poems and a Fragment. Project Gutenberg.

Chicago Style (17th ed.) Citation

Yeats, W. B. Seven Poems and a Fragment. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Yeats, W. B. Seven Poems and a Fragment. Project Gutenberg, 2010.

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