APA (7th ed.) Citation

Greif, T. H. (2009). The formation of the first galaxies.

Chicago Style (17th ed.) Citation

Greif, Thomas H. The Formation of the First Galaxies. 2009.

MLA (9th ed.) Citation

Greif, Thomas H. The Formation of the First Galaxies. 2009.

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