APA (7th ed.) Citation

WATKINS, R. N. (1973). Petroleum refinery distillation. Gulf.

Chicago Style (17th ed.) Citation

WATKINS, R. N. Petroleum Refinery Distillation. Gulf, 1973.

MLA (8th ed.) Citation

WATKINS, R. N. Petroleum Refinery Distillation. Gulf, 1973.

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