APA (7th ed.) Citation

Maestro, B., & Maestro, G. (1992). How do apples grow? HarperCollins.

Chicago Style (17th ed.) Citation

Maestro, Betsy, and Giulio Maestro. How Do Apples Grow? New York, NY: HarperCollins, 1992.

MLA (8th ed.) Citation

Maestro, Betsy, and Giulio Maestro. How Do Apples Grow? HarperCollins, 1992.

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