Cita APA (7a ed.)

Kozlovsky,Daniel G. (1974). An ecological and evolutionary ethic. Prentice-Hall.

Cita Chicago Style (17a ed.)

Kozlovsky,Daniel G. An Ecological and Evolutionary Ethic. New Jersey - EEUU: Prentice-Hall, 1974.

Cita MLA (8a ed.)

Kozlovsky,Daniel G. An Ecological and Evolutionary Ethic. Prentice-Hall, 1974.