APA (7th ed.) Citation

Rubio, G. (1999). On the Alleged "Pre-Sumerian Substratum".

Chicago Style (17th ed.) Citation

Rubio, Gonzalo. On the Alleged "Pre-Sumerian Substratum". 1999.

MLA (8th ed.) Citation

Rubio, Gonzalo. On the Alleged "Pre-Sumerian Substratum". 1999.

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