APA (7th ed.) Citation

Doyle, R. A star called henry: Volume one of the last roundup. Penguin Books.

Chicago Style (17th ed.) Citation

Doyle, Roddy. A Star Called Henry: Volume One of the Last Roundup. New York: Penguin Books.

MLA (9th ed.) Citation

Doyle, Roddy. A Star Called Henry: Volume One of the Last Roundup. Penguin Books.