APA Citation

Gentzen, G. 1., & Szabo, M. E. (1969). The Collected papers of Gerhard Gentzen. Amsterdam: North Holland.

Chicago Style Citation

Gentzen, Gerhard 1909-, and M. E. Szabo. The Collected Papers of Gerhard Gentzen. Amsterdam: North Holland, 1969.

MLA Citation

Gentzen, Gerhard 1909-, and M. E. Szabo. The Collected Papers of Gerhard Gentzen. Amsterdam: North Holland, 1969.

Warning: These citations may not always be 100% accurate.