APA (7th ed.) Citation

Pohlers, W. (1994). Proof theory: An introduction (2. print.). Springer.

Chicago Style (17th ed.) Citation

Pohlers, Wolfram. Proof Theory: An Introduction. 2. print. Berlin u.a: Springer, 1994.

MLA (9th ed.) Citation

Pohlers, Wolfram. Proof Theory: An Introduction. 2. print. Springer, 1994.