Cita APA (7th ed.)

Sober, E. (1985). The nature of selection: Evolutionary theory in philosophical focus. MIT Press.

Cita Chicago (17th ed.)

Sober, Elliott. The Nature of Selection: Evolutionary Theory in Philosophical Focus. Cambridge, Mass: MIT Press, 1985.

Cita MLA (9th ed.)

Sober, Elliott. The Nature of Selection: Evolutionary Theory in Philosophical Focus. MIT Press, 1985.