APA (7th ed.) Citation

Riley, P. D. (1997). Science assessment : key stage 2: Key stage 2. Scholastic.

Chicago Style (17th ed.) Citation

Riley, Peter D. Science Assessment : Key Stage 2: Key Stage 2. London: Scholastic, 1997.

MLA (9th ed.) Citation

Riley, Peter D. Science Assessment : Key Stage 2: Key Stage 2. Scholastic, 1997.

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