Gaya APA

Lowenfels, J., Lewis, W. (2006). Teaming with Microbes: The Organic Gardener's Guide to the Soil Food Web . : Timber Press.

Gaya MLA

Lowenfels, Jeff., Lewis, Wayne. "Teaming with Microbes: The Organic Gardener's Guide to the Soil Food Web". : Timber Press, 2006. Text.