APA (7th ed.) Citation

Schools Council, Nuffield Foundation, Nuffield Foundation, & Scottish Education Department. (1973). Trees; stages 1 and 2: A unit for teachers. MacDonald Educational.

Chicago Style (17th ed.) Citation

Schools Council, Nuffield Foundation, Nuffield Foundation, and Scottish Education Department. Trees; Stages 1 and 2: A Unit for Teachers. London: MacDonald Educational, 1973.

MLA (9th ed.) Citation

Schools Council, Nuffield Foundation, et al. Trees; Stages 1 and 2: A Unit for Teachers. MacDonald Educational, 1973.

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