Nuffield Foundation's Science Teaching Project, Ritchie, W. R., Stewart Films Limited, & Esso Film Unit. Experiments in force and motion.
Chicago Style (17th ed.) CitationNuffield Foundation's Science Teaching Project, W. R. Ritchie, Stewart Films Limited, and Esso Film Unit. Experiments in Force and Motion. Stewart Films Limited and the Esso Film Unit.
MLA (9th ed.) CitationNuffield Foundation's Science Teaching Project, et al. Experiments in Force and Motion.
Warning: These citations may not always be 100% accurate.