APA (7th ed.) Citation

Não informado. (2020). SPE Index. Society of Petroleum Engineers.

Chicago Style (17th ed.) Citation

Não informado. SPE Index. Richardson, Tex: Society of Petroleum Engineers, 2020.

MLA (8th ed.) Citation

Não informado. SPE Index. Society of Petroleum Engineers, 2020.

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