APA (7th ed.) Citation

Sands, K. (2016). Mark of the plague. Puffin Books.

Chicago Style (17th ed.) Citation

Sands, Kevin. Mark of the Plague. UK: Puffin Books, 2016.

MLA (9th ed.) Citation

Sands, Kevin. Mark of the Plague. Puffin Books, 2016.

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