APA (7th ed.) Citation

Baum, W. (1985). Ludwig Wittgenstein. Köpfe des XX. Jahrhunderts.

Chicago Style (17th ed.) Citation

Baum, Wilhelm. "Ludwig Wittgenstein." Köpfe Des XX. Jahrhunderts 1985.

MLA (8th ed.) Citation

Baum, Wilhelm. "Ludwig Wittgenstein." Köpfe Des XX. Jahrhunderts, 1985.

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