APA Citation

Gray, T. R., & Timothy, R. (1977). Soil micro-organisms. London, Sydney: Longman.

Chicago Style Citation

Gray, Timothy R.G, and R.T Timothy. Soil Micro-organisms. London, Sydney: Longman, 1977.

MLA Citation

Gray, Timothy R.G, and R.T Timothy. Soil Micro-organisms. London, Sydney: Longman, 1977.

Warning: These citations may not always be 100% accurate.