APA Style

Associates, I, S. (2014). IELTS Vocabulary:ielts words for the ielts for academic purposes english test (1). Amazon: IELTS Success Associates.

MLA Style

Associates, IELTS, Success. "IELTS Vocabulary:ielts words for the ielts for academic purposes english test". 1 Amazon: IELTS Success Associates, 2014. Text.