APA Style

GERNGROSS, G, ;, P, H. (2005). Cool English #3 : Pupil's Book . : Cambridge University Press, Cambridge, NY. 2005.

MLA Style

GERNGROSS, Gunter, ;, PUCHTA,, Herbert. "Cool English #3 : Pupil's Book". : Cambridge University Press, Cambridge, NY. 2005, 2005. BOOK.