aConservation Society, Hettena, P. H. G., & aSyer, G. N. (1971). Decade of decision: Report on the Conservation Society's conference 'Conservation 1970s'. Conservation Society.
Cita Chicago Style (17a ed.)aConservation Society, Patricia Herbert Grain Hettena, y G. N. aSyer. Decade of Decision: Report on the Conservation Society's Conference 'Conservation 1970s'. London: Conservation Society, 1971.
Cita MLA (9a ed.)aConservation Society, et al. Decade of Decision: Report on the Conservation Society's Conference 'Conservation 1970s'. Conservation Society, 1971.
Precaución: Estas citas no son 100% exactas.