APA Edition Citation

Backer, G. P. A., & Hacker, M. S. A. (1997). Wittgenstein.

Chicago Edition Citation

Backer, G P; Author, and M S; Author Hacker. Wittgenstein. Oxford, Blackwell Publishers Ltd, 1997.

MLA Edition Citation

Backer, G P; Author, and M S; Author Hacker. Wittgenstein. 1997.