APA (7th ed.) Citation

Keil, K. (1973). Ulcus pepticum jejuni.

Chicago Style (17th ed.) Citation

Keil, Kurt. Ulcus Pepticum Jejuni. 1973.

MLA (9th ed.) Citation

Keil, Kurt. Ulcus Pepticum Jejuni. 1973.

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