APA (7th ed.) Citation

Khush, G. S., & Virk, P. S. (2005). IR varieties and their impact. International Rice Research Institute.

Chicago Style (17th ed.) Citation

Khush, Gurdev S., and P. S. Virk. IR Varieties and Their Impact. [Los Baños, Laguna]: International Rice Research Institute, 2005.

MLA (9th ed.) Citation

Khush, Gurdev S., and P. S. Virk. IR Varieties and Their Impact. International Rice Research Institute, 2005.