APA (7th ed.) Citation

Butler, K. G. (1990). The concept of objectivity: An approximation. Lang.

Chicago Style (17th ed.) Citation

Butler, Kenneth G. The Concept of Objectivity: An Approximation. New York ; Bern ; Frankfurt am Main ; Paris: Lang, 1990.

MLA (9th ed.) Citation

Butler, Kenneth G. The Concept of Objectivity: An Approximation. Lang, 1990.