APA (7th ed.) Citation

Ehrlich, P. R., Ceballos, G., & Dirzo, R. (2024). Before they vanish: Saving nature's populations--and ourselves. Johns Hopkins University Press.

Chicago Style (17th ed.) Citation

Ehrlich, Paul R., Gerardo Ceballos, and Rodolfo Dirzo. Before They Vanish: Saving Nature's Populations--and Ourselves. Baltimore: Johns Hopkins University Press, 2024.

MLA (9th ed.) Citation

Ehrlich, Paul R., et al. Before They Vanish: Saving Nature's Populations--and Ourselves. Johns Hopkins University Press, 2024.