Cita APA (7a ed.)

Godfrey, E. P. (1967). The state of audiovisual technology, 1961-1966. Department of Audiovisual Instruction, National Education Association.

Cita Chicago Style (17a ed.)

Godfrey, Eleanor P. The State of Audiovisual Technology, 1961-1966. Washington: Department of Audiovisual Instruction, National Education Association, 1967.

Cita MLA (9a ed.)

Godfrey, Eleanor P. The State of Audiovisual Technology, 1961-1966. Department of Audiovisual Instruction, National Education Association, 1967.