APA

American Petroleum Institute A., . (2006). Using the API color-symbol system to mark equipment and vehicles for product identification at service stations and distribution terminals. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 2006. Using the API color-symbol system to mark equipment and vehicles for product identification at service stations and distribution terminals. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (2006). Using the API color-symbol system to mark equipment and vehicles for product identification at service stations and distribution terminals. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Using the API color-symbol system to mark equipment and vehicles for product identification at service stations and distribution terminals. Washington: American Petroleum Institute, API. 2006.