APA (7th ed.) Citation

Dahl, M., & Vidalo, O. (2016). Hippo says "Excuse me". Capstone Press.

Chicago Style (17th ed.) Citation

Dahl, Michael, and Oriol Vidalo. Hippo Says "Excuse Me". Minnesota: Capstone Press, 2016.

MLA (9th ed.) Citation

Dahl, Michael, and Oriol Vidalo. Hippo Says "Excuse Me". Capstone Press, 2016.