APA Edition Citation

singh, p., & singh, s. (2012). Principles of vegetable production. oxford.

Chicago Edition Citation

singh, p., and s.p singh. Principles of Vegetable Production. New delhi: oxford, 2012.

MLA Edition Citation

singh, p., and s.p singh. Principles of Vegetable Production. oxford, 2012.

Warning: These citations may not always be 100% accurate.