APA (7th ed.) Citation

Sanger, C., Lessard, G., & Poulsen, G. (1979). Trees for people: An account of the forestry research program supported by the International Development Research Centre. International Development Research Centre.

Chicago Style (17th ed.) Citation

Sanger, Clyde, Gilles Lessard, and Gunnar Poulsen. Trees for People: An Account of the Forestry Research Program Supported by the International Development Research Centre. Ottawa: International Development Research Centre, 1979.

MLA (9th ed.) Citation

Sanger, Clyde, et al. Trees for People: An Account of the Forestry Research Program Supported by the International Development Research Centre. International Development Research Centre, 1979.