APA (7th ed.) Citation

Jeffery, P. L. (1971). A handbook on the overhead projector. Teaching Methods and Materials Centre, University of Papua and New Guinea.

Chicago Style (17th ed.) Citation

Jeffery, Peter L. A Handbook on the Overhead Projector. [Port Moresby]: Teaching Methods and Materials Centre, University of Papua and New Guinea, 1971.

MLA (9th ed.) Citation

Jeffery, Peter L. A Handbook on the Overhead Projector. Teaching Methods and Materials Centre, University of Papua and New Guinea, 1971.