APA
American Petroleum Institute A., . (1964). API Bulletin on use of variable-vapor-space systems to reduce evaporation loss. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1964. API Bulletin on use of variable-vapor-space systems to reduce evaporation loss. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1964). API Bulletin on use of variable-vapor-space systems to reduce evaporation loss. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . API Bulletin on use of variable-vapor-space systems to reduce evaporation loss. Washington: American Petroleum Institute, API. 1964.