APA (7th ed.) Citation

Miller, H., Laughlin, J., & Wickes, G. (1996). Selected Letters. Norton.

Chicago Style (17th ed.) Citation

Miller, Henry, James Laughlin, and George Wickes. Selected Letters. New York ; London: Norton, 1996.

MLA (8th ed.) Citation

Miller, Henry, et al. Selected Letters. Norton, 1996.