Cita APA (7a ed.)

Kellert, S. R. (1996). The value of life: Biological diversity and human society. Island Press.

Cita Chicago Style (17a ed.)

Kellert, Stephen R. The Value of Life: Biological Diversity and Human Society. Washington: Island Press, 1996.

Cita MLA (8a ed.)

Kellert, Stephen R. The Value of Life: Biological Diversity and Human Society. Island Press, 1996.