APA (7th ed.) Citation

Albert, H., & Popper, K. R. (2005). Briefwechsel. Fischer.

Chicago Style (17th ed.) Citation

Albert, Hans, and Karl R. Popper. Briefwechsel. Frankfurt am Main: Fischer, 2005.

MLA (9th ed.) Citation

Albert, Hans, and Karl R. Popper. Briefwechsel. Fischer, 2005.

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