APA (7th ed.) Citation

Jost, T. (1960). Wilhelm Keil 90 Jahre alt.

Chicago Style (17th ed.) Citation

Jost, Theodor. Wilhelm Keil 90 Jahre Alt. 1960.

MLA (9th ed.) Citation

Jost, Theodor. Wilhelm Keil 90 Jahre Alt. 1960.

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