APA (7th ed.) Citation

Castro,Adam-Troy. Gustav Gloom and the Nightmare Vault #2.

Chicago Style (17th ed.) Citation

Castro,Adam-Troy. Gustav Gloom and the Nightmare Vault #2. Grosset & Dunlap.

MLA (8th ed.) Citation

Castro,Adam-Troy. Gustav Gloom and the Nightmare Vault #2.

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