APA (7th ed.) Citation

Attmore, S. 4000 million years ago. Brimax.

Chicago Style (17th ed.) Citation

Attmore, Stephen. 4000 Million Years Ago. Brimax.

MLA (8th ed.) Citation

Attmore, Stephen. 4000 Million Years Ago. Brimax.

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