APA (7th ed.) Citation

Armstrong, D. M. (1989). Universals: An opinionated introduction. Westview.

Chicago Style (17th ed.) Citation

Armstrong, D. M. Universals: An Opinionated Introduction. Boulder: Westview, 1989.

MLA (9th ed.) Citation

Armstrong, D. M. Universals: An Opinionated Introduction. Westview, 1989.