APA (7th ed.) Citation

Ritter, W.. (2017). Ghostly echoes (First paperback edition.). Algonquin Young Readers.

Chicago Style (17th ed.) Citation

Ritter, William. Ghostly Echoes. First paperback edition. Chapel Hill, North Carolina: Algonquin Young Readers, 2017.

MLA (9th ed.) Citation

Ritter, William. Ghostly Echoes. First paperback edition. Algonquin Young Readers, 2017.