APA (7th ed.) Citation

Pohlers, W. (1989). Proof theory: An introduction. Springer-Verlag.

Chicago Style (17th ed.) Citation

Pohlers, Wolfram. Proof Theory: An Introduction. Berlin ; New York: Springer-Verlag, 1989.

MLA (8th ed.) Citation

Pohlers, Wolfram. Proof Theory: An Introduction. Springer-Verlag, 1989.