APA (7th ed.) Citation

Não informado. (1961). Petroleum Abstracts. University of Tulsa, Information Services Division.

Chicago Style (17th ed.) Citation

Não informado. Petroleum Abstracts. Tulsa, Okla: University of Tulsa, Information Services Division, 1961.

MLA (8th ed.) Citation

Não informado. Petroleum Abstracts. University of Tulsa, Information Services Division, 1961.

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