APA (7th ed.) Citation

Lang, H. (2018). RULES OF THE RUFF. Amulet Books.

Chicago Style (17th ed.) Citation

Lang, Heidi. RULES OF THE RUFF. New York: Amulet Books, 2018.

MLA (9th ed.) Citation

Lang, Heidi. RULES OF THE RUFF. Amulet Books, 2018.

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