APA (7th ed.) Citation

Ponnamperuma, F., Deturck, P., & Manickam. T.S. (1989). Rice soils of Sri Lanka. Food and Fertilizer Technology Center.

Chicago Style (17th ed.) Citation

Ponnamperuma, F.N, P. Deturck, and Manickam. T.S. Rice Soils of Sri Lanka. Taipei, Taiwan: Food and Fertilizer Technology Center, 1989.

MLA (9th ed.) Citation

Ponnamperuma, F.N, et al. Rice Soils of Sri Lanka. Food and Fertilizer Technology Center, 1989.