APA (7th ed.) Citation

Lorenzen, P. (1958). Formale Logik. de Gruyter.

Chicago Style (17th ed.) Citation

Lorenzen, Paul. Formale Logik. Berlin: de Gruyter, 1958.

MLA (9th ed.) Citation

Lorenzen, Paul. Formale Logik. de Gruyter, 1958.

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