APA (7th ed.) Citation

Hillenburg, S., & Duffy, C. (2017). Silly sea stories. Amulet Books.

Chicago Style (17th ed.) Citation

Hillenburg, Stephen, and Chris Duffy. Silly Sea Stories. New York: Amulet Books, 2017.

MLA (9th ed.) Citation

Hillenburg, Stephen, and Chris Duffy. Silly Sea Stories. Amulet Books, 2017.

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