APA (7th ed.) Citation

Brown, L. R., Gardner, G. T., & Halweil, B. (2000). Beyond malthus: Nineteen dimensions of the population challenge. Earthscan Publications Ltd..

Chicago Style (17th ed.) Citation

Brown, Lester R., Gary T. Gardner, and Brian Halweil. Beyond Malthus: Nineteen Dimensions of the Population Challenge. London: Earthscan Publications Ltd., 2000.

MLA (9th ed.) Citation

Brown, Lester R., et al. Beyond Malthus: Nineteen Dimensions of the Population Challenge. Earthscan Publications Ltd., 2000.