APA Style

Maynard, Chris. (2003). I Wonder Why : Planes Have Wings . New York :: Grolier.

Chicago Style

Maynard, Chris. I Wonder Why : Planes Have Wings. New York :: Grolier, 2003. Text.

MLA Style

Maynard, Chris. I Wonder Why : Planes Have Wings. New York :: Grolier, 2003. Text.

Turabian Style

Maynard, Chris. I Wonder Why : Planes Have Wings. New York :: Grolier, 2003. Print.