APA (7th ed.) Citation

aConservation Society, Hettena, P. H. G., & aSyer, G. N. (1971). Decade of decision: Report on the Conservation Society's conference 'Conservation 1970s'. Conservation Society.

Chicago Style (17th ed.) Citation

aConservation Society, Patricia Herbert Grain Hettena, and G. N. aSyer. Decade of Decision: Report on the Conservation Society's Conference 'Conservation 1970s'. London: Conservation Society, 1971.

MLA (9th ed.) Citation

aConservation Society, et al. Decade of Decision: Report on the Conservation Society's Conference 'Conservation 1970s'. Conservation Society, 1971.