APA (7th ed.) Citation

Vincent, A. (1970). The overhead projector. National Committee for Audio-Visual Aids in Education; Educational Foundation for Visual Aids.

Chicago Style (17th ed.) Citation

Vincent, Alan. The Overhead Projector. London: National Committee for Audio-Visual Aids in Education; Educational Foundation for Visual Aids, 1970.

MLA (8th ed.) Citation

Vincent, Alan. The Overhead Projector. National Committee for Audio-Visual Aids in Education; Educational Foundation for Visual Aids, 1970.