APA (7th ed.) Citation

Lee, F. M., Horn, F. W., Riley, E. W., & Acuna, V. E. (1973). ABC of the telephone. Lee's ABC of the Telephone.

Chicago Style (17th ed.) Citation

Lee, Frank M., Frank W. Horn, Eugene W. Riley, and Victor E. Acuna. ABC of the Telephone. Chicago: Lee's ABC of the Telephone, 1973.

MLA (9th ed.) Citation

Lee, Frank M., et al. ABC of the Telephone. Lee's ABC of the Telephone, 1973.