APA Edition Citation

Usha Kumari, K. U., & Venugopal, V. K. (2013). Manual on Soil, Plant, Water and Organic Manure Analysis (Vol 2). Department of Agriculture.

Chicago Edition Citation

Usha Kumari, K U., and V K. Venugopal. Manual on Soil, Plant, Water and Organic Manure Analysis (Vol 2). Thrivanthapuram: Department of Agriculture, 2013.

MLA Edition Citation

Usha Kumari, K U., and V K. Venugopal. Manual on Soil, Plant, Water and Organic Manure Analysis (Vol 2). Department of Agriculture, 2013.