Cita APA (7a ed.)

Blum, H. F. (1951). Time's arrow and evolution. Princeton University Press.

Cita Chicago Style (17a ed.)

Blum, Harold F. Time's Arrow and Evolution. Princeton,: Princeton University Press, 1951.

Cita MLA (9a ed.)

Blum, Harold F. Time's Arrow and Evolution. Princeton University Press, 1951.