Cita APA (7th ed.)

Parkison, D., Gray, T., & Wolloams, S. (1971). Methods for studying the ecology of soil micro-organisms. Blackwell Scientific Publications [for the] International Biological Programme.

Cita Chicago (17th ed.)

Parkison, D., T.R.G Gray, i S.T Wolloams. Methods for Studying the Ecology of Soil Micro-organisms. Oxford: Blackwell Scientific Publications [for the] International Biological Programme, 1971.

Cita MLA (9th ed.)

Parkison, D., et al. Methods for Studying the Ecology of Soil Micro-organisms. Blackwell Scientific Publications [for the] International Biological Programme, 1971.