APA (7th ed.) Citation

Grindley, S., & Dann, P. (2007). Friends forever. Macmillan Children's Books.

Chicago Style (17th ed.) Citation

Grindley, Sally, and Penny Dann. Friends Forever. London: Macmillan Children's Books, 2007.

MLA (9th ed.) Citation

Grindley, Sally, and Penny Dann. Friends Forever. Macmillan Children's Books, 2007.