APA (7th ed.) Citation
Ng, S. (1994). Production and distribution of virusfree yam (Dioscorea rotundata Poir.). International Society for Horticultural Science.
Chicago Style (17th ed.) Citation
Ng, S.Y.C. Production and Distribution of Virusfree Yam (Dioscorea Rotundata Poir.). International Society for Horticultural Science, 1994.
MLA (9th ed.) Citation
Ng, S.Y.C. Production and Distribution of Virusfree Yam (Dioscorea Rotundata Poir.). International Society for Horticultural Science, 1994.
Warning: These citations may not always be 100% accurate.