APA (7th ed.) Citation

Simpson, S. G., & Hibbs, F. M. Refining Technology Developments for New Fuels Specifications.

Chicago Style (17th ed.) Citation

Simpson, S. G., and F. M. Hibbs. Refining Technology Developments for New Fuels Specifications.

MLA (9th ed.) Citation

Simpson, S. G., and F. M. Hibbs. Refining Technology Developments for New Fuels Specifications.

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