APA (7th ed.) Citation

Keuth, H. (1972). Zur Logik der Normen. Duncker & Humblot.

Chicago Style (17th ed.) Citation

Keuth, Herbert. Zur Logik Der Normen. Berlin: Duncker & Humblot, 1972.

MLA (9th ed.) Citation

Keuth, Herbert. Zur Logik Der Normen. Duncker & Humblot, 1972.

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