APA (7th ed.) Citation

ScienceDirect (Online service), Holzapfel, W. H., & Naughton, P. J. (2005). Microbial ecology in growing animals. Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), W. H. Holzapfel, and P. J. Naughton. Microbial Ecology in Growing Animals. Edinburgh ; New York: Elsevier, 2005.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Microbial Ecology in Growing Animals. Elsevier, 2005.