Cowper, W., & Gilfillan, G. (1854). The poetical works of William Cowper. James Nichol [etc.].
Chicago Style (17th ed.) CitationCowper, William, and George Gilfillan. The Poetical Works of William Cowper. Edinburgh [etc.]: James Nichol [etc.], 1854.
MLA (9th ed.) CitationCowper, William, and George Gilfillan. The Poetical Works of William Cowper. James Nichol [etc.], 1854.
Warning: These citations may not always be 100% accurate.