APA (7th ed.) Citation

Ehrlich, P. R., Tobias, M. C., & Harte, J. (2014). Hope on Earth: A conversation. University of Chicago Press.

Chicago Style (17th ed.) Citation

Ehrlich, Paul R., Michael Charles Tobias, and John Harte. Hope on Earth: A Conversation. Chicago ; London: University of Chicago Press, 2014.

MLA (9th ed.) Citation

Ehrlich, Paul R., et al. Hope on Earth: A Conversation. University of Chicago Press, 2014.