APA(7版)引用形式

Ehrlich, P., & Ehrlich, A. H. (1972). Population, resources, environment: Issues in human ecology. W. H. Freeman.

Chicagoスタイル(17版)引用形式

Ehrlich, Paul, , Anne H. Ehrlich. Population, Resources, Environment: Issues in Human Ecology. San Francisco: W. H. Freeman, 1972.

MLA(9版)引用形式

Ehrlich, Paul, , Anne H. Ehrlich. Population, Resources, Environment: Issues in Human Ecology. W. H. Freeman, 1972.

警告: この引用は必ずしも正確ではありません.