APA (7th ed.) Citation

McGowan, D. J. (1992). What makes things move?: Simple machines & motion. Encyclopedia Britannica Educational Corporation.

Chicago Style (17th ed.) Citation

McGowan, David J. What Makes Things Move?: Simple Machines & Motion. Chicago, Ill: Encyclopedia Britannica Educational Corporation, 1992.

MLA (9th ed.) Citation

McGowan, David J. What Makes Things Move?: Simple Machines & Motion. Encyclopedia Britannica Educational Corporation, 1992.