APA (7th ed.) Citation

Hay, J., & Hay, C. L. (1916). The complete poetical works of John Hay. Houghton Mifflin company.

Chicago Style (17th ed.) Citation

Hay, John, and Clarence Leonard Hay. The Complete Poetical Works of John Hay. Boston, New York: Houghton Mifflin company, 1916.

MLA (9th ed.) Citation

Hay, John, and Clarence Leonard Hay. The Complete Poetical Works of John Hay. Houghton Mifflin company, 1916.