APA (7th ed.) Citation

Trew, D. V., & Howells, J. W. (1958). Using C8 aromatics to get octanes? Petroleum Refiner., 37, 137.

Chicago Style (17th ed.) Citation

Trew, D. V., and J. W. Howells. "Using C8 Aromatics to Get Octanes?" Petroleum Refiner. 37 (1958): 137.

MLA (9th ed.) Citation

Trew, D. V., and J. W. Howells. "Using C8 Aromatics to Get Octanes?" Petroleum Refiner., vol. 37, 1958, p. 137.