APA (7th ed.) Citation

Robinson, M., & East, N. (2013). Goodnight tractor. Puffin Books.

Chicago Style (17th ed.) Citation

Robinson, Michelle, and Nick East. Goodnight Tractor. London: Puffin Books, 2013.

MLA (9th ed.) Citation

Robinson, Michelle, and Nick East. Goodnight Tractor. Puffin Books, 2013.

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