APA (7th ed.) Citation

SpringerLink (Online service), Oelmüller, R., & Varma, A. (2007). Advanced techniques in soil microbiology. Springer-Verlag GmbH..

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Ralf Oelmüller, and Ajit Varma. Advanced Techniques in Soil Microbiology. Berlin Heidelberg: Springer-Verlag GmbH., 2007.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. Advanced Techniques in Soil Microbiology. Springer-Verlag GmbH., 2007.