APA (7th ed.) Citation
Liu, Q., Zhai, H., Lu, D., Wang, Y., & Zhang, D. (1999). An efficient system of embryogenic suspension cultures and plant regeneration in sweetpotato.
Chicago Style (17th ed.) Citation
Liu, Q.C, H. Zhai, D.H Lu, Y. Wang, and D.P Zhang. An Efficient System of Embryogenic Suspension Cultures and Plant Regeneration in Sweetpotato. 1999.
MLA (9th ed.) Citation
Liu, Q.C, et al. An Efficient System of Embryogenic Suspension Cultures and Plant Regeneration in Sweetpotato. 1999.
Warning: These citations may not always be 100% accurate.