APA (7th ed.) Citation

Evans, V., & O'Sullivan, N. (2002). Click on 4: Student´s book. Express Publishing.

Chicago Style (17th ed.) Citation

Evans, Virginia, and Neil O'Sullivan. Click on 4: Student´s Book. California: Express Publishing, 2002.

MLA (9th ed.) Citation

Evans, Virginia, and Neil O'Sullivan. Click on 4: Student´s Book. Express Publishing, 2002.