APA (7th ed.) Citation
Khalifa, H., & El-Shafei, M. (1965). Milk yield of Sudanese cattle as affected by the age of the cow.
Chicago Style (17th ed.) Citation
Khalifa, H.A, and M.M El-Shafei. Milk Yield of Sudanese Cattle as Affected by the Age of the Cow. 1965.
MLA (9th ed.) Citation
Khalifa, H.A, and M.M El-Shafei. Milk Yield of Sudanese Cattle as Affected by the Age of the Cow. 1965.
Warning: These citations may not always be 100% accurate.