APA (7th ed.) Citation

Knovel (Firm), Geological Society of London, Arthur, T., MacGregor, D. S., & Cameron, N. R. (2003). Petroleum geology of Africa: New themes and developing technologies. Geological Society.

Chicago Style (17th ed.) Citation

Knovel (Firm), Geological Society of London, T. Arthur, D. S. MacGregor, and N. R. Cameron. Petroleum Geology of Africa: New Themes and Developing Technologies. London: Geological Society, 2003.

MLA (9th ed.) Citation

Knovel (Firm), et al. Petroleum Geology of Africa: New Themes and Developing Technologies. Geological Society, 2003.