APA Style
Porell, John. (2013).
We All Pull .
USA:
National Geographic.
Chicago Style
Porell, John.
We All Pull.
USA:
National Geographic,
2013.
Text.
MLA Style
Porell, John.
We All Pull.
USA:
National Geographic,
2013.
Text.
Turabian Style
Porell, John.
We All Pull.
USA:
National Geographic,
2013.
Print.