APA (7 ম সংস্করণ) উদ্ধৃতি

Wittgenstein, L., & Ogden, C. K. (1983). Letters to C.K. Ogden with comments on the English translation of the Tractatus logico-Philosophicus. Blackwell.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Wittgenstein, Ludwig, এবং Charles Kay Ogden. Letters to C.K. Ogden with Comments on the English Translation of the Tractatus Logico-Philosophicus. Oxford: Blackwell, 1983.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Wittgenstein, Ludwig, এবং Charles Kay Ogden. Letters to C.K. Ogden with Comments on the English Translation of the Tractatus Logico-Philosophicus. Blackwell, 1983.