APA (7th ed.) Citation

Wingate, L., & Parker, J. (2008). A month of summer: Blue sky hill series, book 1 (Unabridged.). Recorded Books Inc..

Chicago Style (17th ed.) Citation

Wingate, Lisa, and Johanna Parker. A Month of Summer: Blue Sky Hill Series, Book 1. Unabridged. Prince Frederick: Recorded Books Inc., 2008.

MLA (8th ed.) Citation

Wingate, Lisa, and Johanna Parker. A Month of Summer: Blue Sky Hill Series, Book 1. Unabridged. Recorded Books Inc., 2008.

Warning: These citations may not always be 100% accurate.