APA (7th ed.) Citation

Riley, J. W., & Phelps, W. L. (1930). Letters of James Whitcomb Riley. Bobbs-Merrill.

Chicago Style (17th ed.) Citation

Riley, James Whitcomb, and William Lyon Phelps. Letters of James Whitcomb Riley. Indianapolis: Bobbs-Merrill, 1930.

MLA (9th ed.) Citation

Riley, James Whitcomb, and William Lyon Phelps. Letters of James Whitcomb Riley. Bobbs-Merrill, 1930.

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