APA (7th ed.) Citation

(2011). Student discovery: Science encyclopedia, 9 - P, Q, R. World Book Inc.

Chicago Style (17th ed.) Citation

Student Discovery: Science Encyclopedia, 9 - P, Q, R. Chicago: World Book Inc, 2011.

MLA (9th ed.) Citation

Student Discovery: Science Encyclopedia, 9 - P, Q, R. World Book Inc, 2011.

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