APA (7th ed.) Citation

Gallawa, R. L. (1976). A user's manual for optical waveguide communications. U.S. Dept. of Commerce, Office of Telecommunications.

Chicago Style (17th ed.) Citation

Gallawa, R. L. A User's Manual for Optical Waveguide Communications. [Washington]: U.S. Dept. of Commerce, Office of Telecommunications, 1976.

MLA (9th ed.) Citation

Gallawa, R. L. A User's Manual for Optical Waveguide Communications. U.S. Dept. of Commerce, Office of Telecommunications, 1976.