APA (7th ed.) Citation

Bethe, H. (1949). Robert Schmidt 70 Jahre alt.

Chicago Style (17th ed.) Citation

Bethe, Hellmuth. Robert Schmidt 70 Jahre Alt. 1949.

MLA (9th ed.) Citation

Bethe, Hellmuth. Robert Schmidt 70 Jahre Alt. 1949.

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