Cita APA (7th ed.)

Fitter, A. H., Atkinson, D. E., Read, D. J., & Usher, M. B. (1985). Ecological interactions in soil: Plants, microbes and animals. Blackwell.

Cita Chicago (17th ed.)

Fitter, A. H., Daniel E. Atkinson, D. J. Read, i M. B. Usher. Ecological Interactions in Soil: Plants, Microbes and Animals. Oxford: Blackwell, 1985.

Cita MLA (9th ed.)

Fitter, A. H., et al. Ecological Interactions in Soil: Plants, Microbes and Animals. Blackwell, 1985.