APA (7th ed.) Citation

Popper, K. R., & Keuth, H. (2007). Logik der Forschung. Akademie Verlag.

Chicago Style (17th ed.) Citation

Popper, Karl R., and Herbert Keuth. Logik Der Forschung. Berlin: Akademie Verlag, 2007.

MLA (8th ed.) Citation

Popper, Karl R., and Herbert Keuth. Logik Der Forschung. Akademie Verlag, 2007.

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