APA (7th ed.) Citation

Wordsworth, W., & Nash, J. (1920). To a butterfly: Poem. Poetry Bookshop.

Chicago Style (17th ed.) Citation

Wordsworth, William, and John Nash. To a Butterfly: Poem. London: Poetry Bookshop, 1920.

MLA (9th ed.) Citation

Wordsworth, William, and John Nash. To a Butterfly: Poem. Poetry Bookshop, 1920.