APA (7th ed.) Citation

(1971). Petroleum Information's yearbook (Southern edition.). Petroleum Information Corp..

Chicago Style (17th ed.) Citation

Petroleum Information's Yearbook. Southern edition. Denver: Petroleum Information Corp., 1971.

MLA (9th ed.) Citation

Petroleum Information's Yearbook. Southern edition. Petroleum Information Corp., 1971.

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