APA Style
Wells, Robert E.. (2009).
Wells Of Knowledge Science Series : Polar Bear, Why Is Your World Melting? (2).
Chicago:
Albert Whitman & Company.
Chicago Style
Wells, Robert E..
Wells Of Knowledge Science Series : Polar Bear, Why Is Your World Melting?.
2
Chicago:
Albert Whitman & Company,
2009.
Printed Book.
MLA Style
Wells, Robert E..
Wells Of Knowledge Science Series : Polar Bear, Why Is Your World Melting?.
2
Chicago:
Albert Whitman & Company,
2009.
Printed Book.
Turabian Style
Wells, Robert E..
Wells Of Knowledge Science Series : Polar Bear, Why Is Your World Melting?.
2
Chicago:
Albert Whitman & Company,
2009.
Printed Book.