APA Style

Heapy, T., Kuman, I. (2016). Oxford Reading Tree inFact: Oxford Level 5 One Potato, Two Potatoes . London, United Kingdom: Oxford University Press.

MLA Style

Heapy, Teresa., Kuman, Ivana. "Oxford Reading Tree inFact: Oxford Level 5 One Potato, Two Potatoes". London, United Kingdom: Oxford University Press, 2016. Text.