APA Edition Citation

Narwal, S. S., Sampietro, D. A., & Szajdak, L. (2011). Soil Allelochemicals.

Chicago Edition Citation

Narwal, S S., D A. Sampietro, and Lech Szajdak. Soil Allelochemicals. USA, Studium Press LLC, 2011.

MLA Edition Citation

Narwal, S S., et al. Soil Allelochemicals. 2011.