APA Style
Ward, D. J. (2015).
Simple Machines .
United States of America:
HarperCollins.
Chicago Style
Ward, D. J.
Simple Machines.
United States of America:
HarperCollins,
2015.
Printed Book.
MLA Style
Ward, D. J.
Simple Machines.
United States of America:
HarperCollins,
2015.
Printed Book.
Turabian Style
Ward, D. J.
Simple Machines.
United States of America:
HarperCollins,
2015.
Printed Book.