APA Edition Citation

Gradstein, F. (2004). Geologic time Scale 2004. CUP.

Chicago Edition Citation

Gradstein, Felix.et.al. Geologic Time Scale 2004. Cambridge: CUP, 2004.

MLA Edition Citation

Gradstein, Felix.et.al. Geologic Time Scale 2004. CUP, 2004.

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