APA (7th ed.) Citation

DeVries, W. A. (1988). Hegel's theory of mental activity: An introduction to theoretical spirit. Cornell University Press.

Chicago Style (17th ed.) Citation

DeVries, Willem A. Hegel's Theory of Mental Activity: An Introduction to Theoretical Spirit. Ithaca: Cornell University Press, 1988.

MLA (9th ed.) Citation

DeVries, Willem A. Hegel's Theory of Mental Activity: An Introduction to Theoretical Spirit. Cornell University Press, 1988.