APA (7th ed.) Citation

Castle, A. B. (1953). Mechanical type door interlock. U.S. Dept. of Commerce, National Institute of Standards and Technology.

Chicago Style (17th ed.) Citation

Castle, Alfred B. Mechanical Type Door Interlock. Gaithersburg, MD: U.S. Dept. of Commerce, National Institute of Standards and Technology, 1953.

MLA (9th ed.) Citation

Castle, Alfred B. Mechanical Type Door Interlock. U.S. Dept. of Commerce, National Institute of Standards and Technology, 1953.