APA
Clack T., . (2009). Ancestral roots : modern living and human evolution. London: Macmillan.
Chicago
Clack Timothy, . 2009. Ancestral roots : modern living and human evolution. London: Macmillan.
Harvard
Clack T., . (2009). Ancestral roots : modern living and human evolution. London: Macmillan.
MLA
Clack Timothy, . Ancestral roots : modern living and human evolution. London: Macmillan. 2009.