APA
American Petroleum Institute A., . (1966). Use of pressure vacuum vent valves for atmospheric pressure tanks to reduce evaporation loss. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1966. Use of pressure vacuum vent valves for atmospheric pressure tanks to reduce evaporation loss. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1966). Use of pressure vacuum vent valves for atmospheric pressure tanks to reduce evaporation loss. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Use of pressure vacuum vent valves for atmospheric pressure tanks to reduce evaporation loss. Washington: American Petroleum Institute, API. 1966.