APA (7th ed.) Citation
Thao, H. T. B., George, T., Yamakawa, T., & Widowati, L. R. (2008). Effects of soil aggregate size on phosphorus extractability and uptake by rice (Oryza sativa L.) and corn (Zea mays L.) in two Ultisols from the Philippines. Informa UK Limited.
Chicago Style (17th ed.) Citation
Thao, Hoang Thi Bich, Thomas George, Takeo Yamakawa, and Ladiyani Retno Widowati. Effects of Soil Aggregate Size on Phosphorus Extractability and Uptake by Rice (Oryza Sativa L.) and Corn (Zea Mays L.) in Two Ultisols from the Philippines. Informa UK Limited, 2008.
MLA (9th ed.) Citation
Thao, Hoang Thi Bich, et al. Effects of Soil Aggregate Size on Phosphorus Extractability and Uptake by Rice (Oryza Sativa L.) and Corn (Zea Mays L.) in Two Ultisols from the Philippines. Informa UK Limited, 2008.
Warning: These citations may not always be 100% accurate.