APA (7th ed.) Citation

Sheldon, W. H. (1918). Strife of systems and productive duality: An essay in philosophy. Harvard University Press.

Chicago Style (17th ed.) Citation

Sheldon, Wilmon Henry. Strife of Systems and Productive Duality: An Essay in Philosophy. Cambridge: Harvard University Press, 1918.

MLA (9th ed.) Citation

Sheldon, Wilmon Henry. Strife of Systems and Productive Duality: An Essay in Philosophy. Harvard University Press, 1918.

Warning: These citations may not always be 100% accurate.