APA (7th ed.) Citation
(2002). Characterization of common Nigerian cowpea (Vigna unguiculata L. Walp) varieties.
Chicago Style (17th ed.) Citation
Characterization of Common Nigerian Cowpea (Vigna Unguiculata L. Walp) Varieties. 2002.
MLA (9th ed.) Citation
Characterization of Common Nigerian Cowpea (Vigna Unguiculata L. Walp) Varieties. 2002.
Warning: These citations may not always be 100% accurate.