APA (7th ed.) Citation

Baligar, V. C., & Duncan, R. R. (1991). Crops as enhancers of nutrient use. Academic.

Chicago Style (17th ed.) Citation

Baligar, V. C., and Ronny R. Duncan. Crops as Enhancers of Nutrient Use. San Diego: Academic, 1991.

MLA (9th ed.) Citation

Baligar, V. C., and Ronny R. Duncan. Crops as Enhancers of Nutrient Use. Academic, 1991.