APA (7th ed.) Citation

Proctor, R. (1991). Value-free science?: Purity and power in modern knowledge. Harvard University Press.

Chicago Style (17th ed.) Citation

Proctor, Robert. Value-free Science?: Purity and Power in Modern Knowledge. Cambridge, Mass: Harvard University Press, 1991.

MLA (9th ed.) Citation

Proctor, Robert. Value-free Science?: Purity and Power in Modern Knowledge. Harvard University Press, 1991.