APA (7th ed.) Citation

Guojing Li. (2011). Back to 500 million years ago (Chinese). Gala Unggul.

Chicago Style (17th ed.) Citation

Guojing Li. Back to 500 Million Years Ago (Chinese). Selangor: Gala Unggul, 2011.

MLA (9th ed.) Citation

Guojing Li. Back to 500 Million Years Ago (Chinese). Gala Unggul, 2011.

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