APA (7th ed.) Citation

Rowling, J. K. (2017). The hogwarts library collection. Pottermore Publishing.

Chicago Style (17th ed.) Citation

Rowling, J. K. The Hogwarts Library Collection. Valley View: Pottermore Publishing, 2017.

MLA (8th ed.) Citation

Rowling, J. K. The Hogwarts Library Collection. Pottermore Publishing, 2017.

Warning: These citations may not always be 100% accurate.