APA (7th ed.) Citation

Kooi, I., & Nijdam, F. E. (1957). On recognising barley varieties. NIBEM.

Chicago Style (17th ed.) Citation

Kooi, Itske, and F. E. Nijdam. On Recognising Barley Varieties. Rotterdam: NIBEM, 1957.

MLA (9th ed.) Citation

Kooi, Itske, and F. E. Nijdam. On Recognising Barley Varieties. NIBEM, 1957.