APA citiranje

Blum, H. F. (1962). Time's arrow and evolution (2nd ed., rev.). Harper.

Chicago Style (17th ed.) Citation

Blum, Harold Francis. Time's Arrow and Evolution. 2nd ed., rev. New York: Harper, 1962.

MLA citiranje

Blum, Harold Francis. Time's Arrow and Evolution. 2nd ed., rev. Harper, 1962.