APA (7th ed.) Citation

Gregory, P. J. (2008). Plant roots: Growth, activity and interaction with soils (3. print.). Blackwell Publ.

Chicago Style (17th ed.) Citation

Gregory, Peter J. Plant Roots: Growth, Activity and Interaction with Soils. 3. print. Oxford [u.a.]: Blackwell Publ, 2008.

MLA (9th ed.) Citation

Gregory, Peter J. Plant Roots: Growth, Activity and Interaction with Soils. 3. print. Blackwell Publ, 2008.