APA-Zitierstil (7. Ausg.)

Parr, L. (2021). The valley of lost secrets (First published in Great Britain.). Bloomsbury Children's Books.

Chicago-Zitierstil (17. Ausg.)

Parr, Lesley. The Valley of Lost Secrets. First published in Great Britain. London ; Oxford ; New York ; New Delhi ; Sydney: Bloomsbury Children's Books, 2021.

MLA-Zitierstil (9. Ausg.)

Parr, Lesley. The Valley of Lost Secrets. First published in Great Britain. Bloomsbury Children's Books, 2021.