Cita APA (7th ed.)
Gregg, J. C., & Richards, J. (2004). Flying free. BookSurge.
Cita Chicago (17th ed.)
Gregg, Jennifer C., i Janna Richards. Flying Free. North Charleston: BookSurge, 2004.
Cita MLA (9th ed.)
Gregg, Jennifer C., i Janna Richards. Flying Free. BookSurge, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.