Cita APA (7th ed.)

RAUM ELIZABETH. (2019). THE HISTORY OF TELEPHONE (2018 Ed.). HEINEMANN LIBRARY.

Cita Chicago (17th ed.)

RAUM ELIZABETH. THE HISTORY OF TELEPHONE. 2018 Ed. MINNESOTA: HEINEMANN LIBRARY, 2019.

Cita MLA (9th ed.)

RAUM ELIZABETH. THE HISTORY OF TELEPHONE. 2018 Ed. HEINEMANN LIBRARY, 2019.