APA (7th ed.) Citation

ScienceDirect (Online service), Ralebitso-Senior, T. K., & Orr, C. H. (2016). Biochar application: Essential soil microbial ecology. Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), T. Komang Ralebitso-Senior, and Caroline H. Orr. Biochar Application: Essential Soil Microbial Ecology. Amsterdam, Netherlands: Elsevier, 2016.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Biochar Application: Essential Soil Microbial Ecology. Elsevier, 2016.