APA (7th ed.) Citation

Gregory, L., Russell, G. W., & A. E. (1978). Ideals in Ireland. AMS Press.

Chicago Style (17th ed.) Citation

Gregory, Lady, George William Russell, and A. E. Ideals in Ireland. New York: AMS Press, 1978.

MLA (9th ed.) Citation

Gregory, Lady, et al. Ideals in Ireland. AMS Press, 1978.