APA Edition Citation

Singh, H. P., & Tripathi, R. P. (1993). soil erosion and conservation.

Chicago Edition Citation

Singh, H P., and R P. Tripathi. Soil Erosion and Conservation. New Delhi, Wiley Eastern Ltd, 1993.

MLA Edition Citation

Singh, H P., and R P. Tripathi. Soil Erosion and Conservation. 1993.