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 (8th ed.) Citation

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

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