APA Style
Riley, P, G, G, H, K, F. (2013).
200 Puzzling Physics Problems: With Hints and Solutions .
:
Cambridge University Press.
MLA Style
Riley, P., Gnädig,, G., Honyek,, K., F..
"200 Puzzling Physics Problems: With Hints and Solutions".
:
Cambridge University Press,
2013.
Text.