APA (7th ed.) Citation

Godfrey, D., & Chang, E. (1981). The telidon book: Designing and using videotex systems. Reston, Va. : Reston.

Chicago Style (17th ed.) Citation

Godfrey, David, and Ernest Chang. The Telidon Book: Designing and Using Videotex Systems. Reston, Va. : Reston, 1981.

MLA (9th ed.) Citation

Godfrey, David, and Ernest Chang. The Telidon Book: Designing and Using Videotex Systems. Reston, Va. : Reston, 1981.

Warning: These citations may not always be 100% accurate.