APA (7th ed.) Citation

Halberstam, G. (2008). Blue sky freedom. Macmillan Children's Books.

Chicago Style (17th ed.) Citation

Halberstam, Gaby. Blue Sky Freedom. London [u.a.]: Macmillan Children's Books, 2008.

MLA (9th ed.) Citation

Halberstam, Gaby. Blue Sky Freedom. Macmillan Children's Books, 2008.

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