APA (7th ed.) Citation

Chatterton, D. J. (1972). Projection aids. Print and Press Services Ltd.

Chicago Style (17th ed.) Citation

Chatterton, Derek J. Projection Aids. Barnet (7 Alverstone Ave., Barnet, Herts. EN4 8DP): Print and Press Services Ltd, 1972.

MLA (8th ed.) Citation

Chatterton, Derek J. Projection Aids. Print and Press Services Ltd, 1972.