APA (7th ed.) Citation

Casement, R. (2016). Some poems. [CreateSpace].

Chicago Style (17th ed.) Citation

Casement, Roger. Some Poems. [United States?]: [CreateSpace], 2016.

MLA (9th ed.) Citation

Casement, Roger. Some Poems. [CreateSpace], 2016.

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