APA (7th ed.) Citation

(1912). Porträt Mathematik-Professor in Göttingen David Hilbert.

Chicago Style (17th ed.) Citation

Porträt Mathematik-Professor in Göttingen David Hilbert. 1912.

MLA (8th ed.) Citation

Porträt Mathematik-Professor in Göttingen David Hilbert. 1912.

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