APA (7th ed.) Citation

Não informado. (1961). API Abstracts of Refining Patents. American Petroleum Institute.

Chicago Style (17th ed.) Citation

Não informado. API Abstracts of Refining Patents. New York: American Petroleum Institute, 1961.

MLA (8th ed.) Citation

Não informado. API Abstracts of Refining Patents. American Petroleum Institute, 1961.

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