APA (7th ed.) Citation

Adams, G. P. (1919). Idealism and the modern age. Yale University Press.

Chicago Style (17th ed.) Citation

Adams, George Plimpton. Idealism and the Modern Age. New Haven: Yale University Press, 1919.

MLA (9th ed.) Citation

Adams, George Plimpton. Idealism and the Modern Age. Yale University Press, 1919.