APA (7th ed.) Citation

Heyderman, E., May, P., Wyatt, R., & Mayhew, C. (2013). Complete PET cambridge english: Preliminary student's book without answers (1st ed., 5th printing.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Heyderman, Emma, Peter May, Rawdon Wyatt, and Camilla Mayhew. Complete PET Cambridge English: Preliminary Student's Book Without Answers. 1st ed., 5th printing. Cambridge, United Kingdom: Cambridge University Press, 2013.

MLA (9th ed.) Citation

Heyderman, Emma, et al. Complete PET Cambridge English: Preliminary Student's Book Without Answers. 1st ed., 5th printing. Cambridge University Press, 2013.