APA (7th ed.) Citation

Watkins, F. M. (1946). Action of lube oil detergents on automotive engines. Petroleum Refiner., 25, 89.

Chicago Style (17th ed.) Citation

Watkins, F. M. "Action of Lube Oil Detergents on Automotive Engines." Petroleum Refiner. 25 (1946): 89.

MLA (9th ed.) Citation

Watkins, F. M. "Action of Lube Oil Detergents on Automotive Engines." Petroleum Refiner., vol. 25, 1946, p. 89.