APA (7th ed.) Citation

Parkinson, D., & Gray, T. R. G. (1968). The Ecology of soil bacteria: An international symposium. Liverpool U.P.

Chicago Style (17th ed.) Citation

Parkinson, Donald, and T. R. G. Gray. The Ecology of Soil Bacteria: An International Symposium. Liverpool: Liverpool U.P, 1968.

MLA (9th ed.) Citation

Parkinson, Donald, and T. R. G. Gray. The Ecology of Soil Bacteria: An International Symposium. Liverpool U.P, 1968.