APA Style
Popular Mechanics : April 2013. (2013).
:
.
Chicago Style
Popular Mechanics : April 2013.
.
:
,
2013.
Magazine.
MLA Style
Popular Mechanics : April 2013.
.
:
,
2013.
Magazine.
Turabian Style
Popular Mechanics : April 2013.
:
,
2013.
Magazine.