Cita APA (7a ed.)

Trowbridge, N. (1974). The new media challenge. MacMillan Education.

Cita Chicago Style (17a ed.)

Trowbridge, N.E. The New Media Challenge. London: MacMillan Education, 1974.

Cita MLA (9a ed.)

Trowbridge, N.E. The New Media Challenge. MacMillan Education, 1974.