APA (7th ed.) Citation

Tudge, C. (1997). The time before history: 5 million years of human impact. Touchstone.

Chicago Style (17th ed.) Citation

Tudge, Colin. The Time Before History: 5 Million Years of Human Impact. New York: Touchstone, 1997.

MLA (9th ed.) Citation

Tudge, Colin. The Time Before History: 5 Million Years of Human Impact. Touchstone, 1997.

Warning: These citations may not always be 100% accurate.