Cita APA

Gray, T. R. G., Williams, S. T., & Parkinson, D. (1971). Methods for studying the ecology of soil micro-organisms. Oxford: IBP.

Citación estilo Chicago

Gray, T. R. G., S. T. Williams, and D. Parkinson. Methods for Studying the Ecology of Soil Micro-organisms. Oxford: IBP, 1971.

Cita MLA

Gray, T. R. G., S. T. Williams, and D. Parkinson. Methods for Studying the Ecology of Soil Micro-organisms. Oxford: IBP, 1971.