APA (7th ed.) Citation

Keil, K. (1973). Ulcus Peticum Jejuni.

Chicago Style (17th ed.) Citation

Keil, Kurt. Ulcus Peticum Jejuni. 1973.

MLA (9th ed.) Citation

Keil, Kurt. Ulcus Peticum Jejuni. 1973.

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