APA (7th ed.) Citation

Tammakrut, S. (1983). The influence of flowable sulfur on controlled-release of NPK fertilizers. [publisher not identified].

Chicago Style (17th ed.) Citation

Tammakrut, Somkid. The Influence of Flowable Sulfur on Controlled-release of NPK Fertilizers. [Place of publication not identified]: [publisher not identified], 1983.

MLA (9th ed.) Citation

Tammakrut, Somkid. The Influence of Flowable Sulfur on Controlled-release of NPK Fertilizers. [publisher not identified], 1983.