APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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