APA (7th ed.) Citation

Macdougall, J. D. (2008). Nature's clocks [electronic resource]: How scientists measure the age of almost everything. University of California Press.

Chicago Style (17th ed.) Citation

Macdougall, J. D. Nature's Clocks [electronic Resource]: How Scientists Measure the Age of Almost Everything. Berkeley: University of California Press, 2008.

MLA (9th ed.) Citation

Macdougall, J. D. Nature's Clocks [electronic Resource]: How Scientists Measure the Age of Almost Everything. University of California Press, 2008.