APA (7th ed.) Citation

Hashemi, L., & Thomas, B. (2010). Objetive Pet: Student´s book with answers (2nd ed.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Hashemi, Louise, and Barbara Thomas. Objetive Pet: Student´s Book with Answers. 2nd ed. Cambridge: Cambridge University Press, 2010.

MLA (9th ed.) Citation

Hashemi, Louise, and Barbara Thomas. Objetive Pet: Student´s Book with Answers. 2nd ed. Cambridge University Press, 2010.