APA Citatie

Schutte, K., & Crossley, J. (1977). Proof theory. Springer-Verlag.

Chicago Style citaat

Schutte, Kurt, en J.N Crossley. Proof Theory. New York: Springer-Verlag, 1977.

MLA citatie

Schutte, Kurt, en J.N Crossley. Proof Theory. Springer-Verlag, 1977.