APA (7th ed.) Citation

Johnson, R. H. Proceedings of the second Pan American scientific congress: Legal and economic factors in the conservation of oil and gas.

Chicago Style (17th ed.) Citation

Johnson, Roswell H. Proceedings of the Second Pan American Scientific Congress: Legal and Economic Factors in the Conservation of Oil and Gas.

MLA (9th ed.) Citation

Johnson, Roswell H. Proceedings of the Second Pan American Scientific Congress: Legal and Economic Factors in the Conservation of Oil and Gas.

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