APA (7th ed.) Citation

Ogg, J. G., Ogg, G., & Gradstein, F. M. (2016). A concise geologic time scale 2016. Elsevier.

Chicago Style (17th ed.) Citation

Ogg, James G., Gabi Ogg, and F. M. Gradstein. A Concise Geologic Time Scale 2016. Amsterdam, Netherlands: Elsevier, 2016.

MLA (9th ed.) Citation

Ogg, James G., et al. A Concise Geologic Time Scale 2016. Elsevier, 2016.