APA Style

Busy! Busy! Busy!. (). : Ladybird Books.

Chicago Style

Busy! Busy! Busy!. . : Ladybird Books, . Text.

MLA Style

Busy! Busy! Busy!. . : Ladybird Books, . Text.

Turabian Style

Busy! Busy! Busy!. : Ladybird Books, . Print.