Gaya APA

Wittgenstein, L. (1967). Zettel. Ed. by G.E.M. Anscombe & G.H. von Wright, transl. by G.E.M. Anscombe. : Zettel. 1967 . Oxford: Oxford Basil Blackwell.

Gaya MLA

Wittgenstein, Ludwig. "Zettel. Ed. by G.E.M. Anscombe & G.H. von Wright, transl. by G.E.M. Anscombe. : Zettel. 1967". Oxford: Oxford Basil Blackwell, 1967. Buku.