Turning the world inside out and 174 other simple physics demonstrations
MLA
Ehrlich, Robert. Turning the World Inside Out and 174 Other Simple Physics Demonstrations. Princeton, N.J.: Princeton University Press, 1990
APA, 7th edition
Ehrlich, R. (1990). Turning the world inside out and 174 other simple physics demonstrations. Princeton, N.J.: Princeton University Press
Chicago, 17th edition
Ehrlich, Robert. Turning the world inside out and 174 other simple physics demonstrations. Princeton, N.J.: Princeton University Press, 1990