APA (7th ed.) Citation

O'Toole, J. C., & Chang, T. T. (1978). Drought and rice improvement in perspective. International Rice Research Institute.

Chicago Style (17th ed.) Citation

O'Toole, J. C., and T. T. Chang. Drought and Rice Improvement in Perspective. Manila: International Rice Research Institute, 1978.

MLA (9th ed.) Citation

O'Toole, J. C., and T. T. Chang. Drought and Rice Improvement in Perspective. International Rice Research Institute, 1978.

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