APA

Brown L. R., Jacobson J. L., . (1986). Our demographically devided world. Washington, D.C: Worldwatch Institute.

Chicago

Brown Lester R, Jacobson Jodi L, . 1986. Our demographically devided world. Washington, D.C: Worldwatch Institute.

Harvard

Brown L. R., Jacobson J. L., . (1986). Our demographically devided world. Washington, D.C: Worldwatch Institute.

MLA

Brown Lester R, Jacobson Jodi L, . Our demographically devided world. Washington, D.C: Worldwatch Institute. 1986.