APA Style

Zimmerman, Bill. (2013). Hummingbird Joy . New York: .

Chicago Style

Zimmerman, Bill. Hummingbird Joy. New York: , 2013. e-Book.

MLA Style

Zimmerman, Bill. Hummingbird Joy. New York: , 2013. e-Book.

Turabian Style

Zimmerman, Bill. Hummingbird Joy. New York: , 2013. e-Book.