Yeats, W. B., Frieling, B. J., Sprayberry, S. L., Harper, G. M., & Harper, M. J. (1992). Yeats's Vision papers / general editor, George Mills Harper ; assisted by Mary Jane Harper.
Chicago Style (17th ed.) CitationYeats, W. B., Barbara J. Frieling, Sandra L. Sprayberry, George Mills Harper, and Mary Jane Harper. Yeats's Vision Papers / General Editor, George Mills Harper ; Assisted by Mary Jane Harper. London, 1992.
MLA (9th ed.) CitationYeats, W. B., et al. Yeats's Vision Papers / General Editor, George Mills Harper ; Assisted by Mary Jane Harper. 1992.
Warning: These citations may not always be 100% accurate.