APA (7th ed.) Citation

Posada, M. (2007). Guess what is growing inside this egg. Millbrook Press.

Chicago Style (17th ed.) Citation

Posada, Mia. Guess What Is Growing Inside This Egg. Minneapolis, Minn.: Millbrook Press, 2007.

MLA (8th ed.) Citation

Posada, Mia. Guess What Is Growing Inside This Egg. Millbrook Press, 2007.

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