The Geologic Time Scale 2012

MLA

Gradstein, F M; Ogg, J G; Schmitz, Mark; Ogg, Gabi, et al. The Geologic Time Scale 2012. Elsevier, 2012.

APA

Gradstein, G., Gradstein, F. M, Ogg, J. G, Schmitz, M., Gabi M. Ogg, G. M. Ogg, Gabi Ogg, G. Ogg, J.G. Ogg, J. Ogg, Mark B. Schmitz, M. B. Schmitz, Mark D. Schmitz, M. D. Schmitz, Mark Schmitz, M. Schmitz, Gradstein, F. M. M, Ogg, G., Ogg, G. M, Schmitz, M. B, & Schmitz, M. D. (2012). The Geologic Time Scale 2012. Elsevier.

Chicago

Gradstein, F M; Ogg, J G; Schmitz, Mark; Ogg, Gabi, F. M Gradstein, J G Ogg, Mark Schmitz, Gabi M. Ogg, Gabi Ogg, J.G. Ogg, et al. The Geologic Time Scale 2012. : Elsevier, 2012.