APA (7th ed.) Citation

Oliver, T., Roy, D., Brereton, T., & Thomas, J. (2012). Reduced variability in range-edge butterfly populations over three decades of climate warming.

Chicago Style (17th ed.) Citation

Oliver, T., D. Roy, T. Brereton, and J. Thomas. Reduced Variability in Range-edge Butterfly Populations over Three Decades of Climate Warming. 2012.

MLA (9th ed.) Citation

Oliver, T., et al. Reduced Variability in Range-edge Butterfly Populations over Three Decades of Climate Warming. 2012.

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