APA

American Institute of Chemical Engineers, . (19591969). Safety in air and ammonia plants. New York, NY: .

Chicago

American Institute of Chemical Engineers, . 19591969. Safety in air and ammonia plants. New York, NY: .

Harvard

American Institute of Chemical Engineers, . (19591969). Safety in air and ammonia plants. New York, NY: .

MLA

American Institute of Chemical Engineers, . Safety in air and ammonia plants. New York, NY: . 19591969.