APA (7th ed.) Citation

(1948). Petroleum press service ([Ed. en español].). Petroleum Press Service.

Chicago Style (17th ed.) Citation

Petroleum Press Service. [Ed. en español]. London: Petroleum Press Service, 1948.

MLA (9th ed.) Citation

Petroleum Press Service. [Ed. en español]. Petroleum Press Service, 1948.

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