APA (7th ed.) Citation

Moore, T. (1990). 'Tis the last rose of summer. Project Gutenberg.

Chicago Style (17th ed.) Citation

Moore, Thomas. 'Tis the Last Rose of Summer. Champaign, Ill: Project Gutenberg, 1990.

MLA (9th ed.) Citation

Moore, Thomas. 'Tis the Last Rose of Summer. Project Gutenberg, 1990.