Cita APA (7a ed.)

Bertka, C. M. (2009). Exploring the origin, extent, and future of life: Philosophical, ethical, and theological perspectives. Cambridge University Press.

Cita Chicago Style (17a ed.)

Bertka, Constance M. Exploring the Origin, Extent, and Future of Life: Philosophical, Ethical, and Theological Perspectives. Cambridge [etc.]: Cambridge University Press, 2009.

Cita MLA (9a ed.)

Bertka, Constance M. Exploring the Origin, Extent, and Future of Life: Philosophical, Ethical, and Theological Perspectives. Cambridge University Press, 2009.