APA (7th ed.) Citation

Hassan, F., Ahmad, R. A., & Qadir, G. (2003). The influence of seasonal variations on yield components of sunflower. Universiti Putra Malaysia Press.

Chicago Style (17th ed.) Citation

Hassan, Fayyaz-Ul, Rana Ashfaq Ahmad, and Ghulam Qadir. The Influence of Seasonal Variations on Yield Components of Sunflower. Universiti Putra Malaysia Press, 2003.

MLA (9th ed.) Citation

Hassan, Fayyaz-Ul, et al. The Influence of Seasonal Variations on Yield Components of Sunflower. Universiti Putra Malaysia Press, 2003.