APA (7th ed.) Citation

POWELL, L. S. (1981). A guide to the use of visual aids. BALIE.

Chicago Style (17th ed.) Citation

POWELL, L. S. A Guide to the Use of Visual Aids. London: BALIE, 1981.

MLA (8th ed.) Citation

POWELL, L. S. A Guide to the Use of Visual Aids. BALIE, 1981.

Warning: These citations may not always be 100% accurate.