Παραπομπή APA

Ayala, F. . J. A., & Cela-Conde, C. J. A. (2007). Human evolution: Trails from the past.

Παραπομπή Chicago Style

Ayala, Francisco J; Author, και Camilo J; Author Cela-Conde. Human Evolution: Trails from the Past. Oxford, Oxford University Press, 2007.

Παραπομπή MLA

Ayala, Francisco J; Author, και Camilo J; Author Cela-Conde. Human Evolution: Trails from the Past. 2007.