Citazione Stile APA (7a Edizione)

Gardner, R., & Shortelle, D. (1997). From talking drums to the Internet: An encyclopedia of communications technology. ABC-CLIO.

Citazione stile Chigago Style (17a edizione)

Gardner, Robert, e Dennis Shortelle. From Talking Drums to the Internet: An Encyclopedia of Communications Technology. Santa Barbara, Calif: ABC-CLIO, 1997.

Citatione MLA (9a ed.)

Gardner, Robert, e Dennis Shortelle. From Talking Drums to the Internet: An Encyclopedia of Communications Technology. ABC-CLIO, 1997.