APA (7th ed.) Citation

Lorenzen, P. (1958). Formale logik. W. de Gruyter & Co..

Chicago Style (17th ed.) Citation

Lorenzen, Paul. Formale Logik. Berlin: W. de Gruyter & Co., 1958.

MLA (9th ed.) Citation

Lorenzen, Paul. Formale Logik. W. de Gruyter & Co., 1958.

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