MLA

Siegel, Frederic R. The Earth's Human Carrying Capacity : Limitations Assessed, Solutions Proposed. Springer, 2021.

APA

Siegel, F. R. (2021). The Earth's Human Carrying Capacity : Limitations Assessed, Solutions Proposed. Springer.

Chicago

Siegel, Frederic R. The Earth's Human Carrying Capacity : Limitations Assessed, Solutions Proposed. : Springer, 2021.