APA (7th ed.) Citation

Brown, L. R., Halweil, B., & Gardner, G. T. (1999). Beyond Malthus: Nineteen dimensions of the population challenge. W.W. Norton.

Chicago Style (17th ed.) Citation

Brown, Lester R., Brian Halweil, and Gary T. Gardner. Beyond Malthus: Nineteen Dimensions of the Population Challenge. New York: W.W. Norton, 1999.

MLA (9th ed.) Citation

Brown, Lester R., et al. Beyond Malthus: Nineteen Dimensions of the Population Challenge. W.W. Norton, 1999.