APA (7th ed.) Citation

Wittgenstein, L., Anscombe, G. E. M., & Wright, G. H. v. (1967). Zettel. University of California Press.

Chicago Style (17th ed.) Citation

Wittgenstein, Ludwig, G. E. M. Anscombe, and G. H. von Wright. Zettel. Berkeley: University of California Press, 1967.

MLA (9th ed.) Citation

Wittgenstein, Ludwig, et al. Zettel. University of California Press, 1967.