Citazione Stile APA (7a Edizione)

Poirier, F. E. (1990). Understanding human evolution (2nd Edit.). Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Poirier, Frank E. Understanding Human Evolution. 2nd Edit. Englewood Cliffs, NJ: Prentice-Hall, 1990.

Citatione MLA (9a ed.)

Poirier, Frank E. Understanding Human Evolution. 2nd Edit. Prentice-Hall, 1990.