APA Style

Carle, Eric. (1986). The Secret Birthday Message . United Kingdom: HarperCollinsPublishers.

Chicago Style

Carle, Eric. The Secret Birthday Message. United Kingdom: HarperCollinsPublishers, 1986. .

MLA Style

Carle, Eric. The Secret Birthday Message. United Kingdom: HarperCollinsPublishers, 1986. .

Turabian Style

Carle, Eric. The Secret Birthday Message. United Kingdom: HarperCollinsPublishers, 1986. .