APA Style

Robinson, M, B, A, N. (2015). English Unlimited: B1+ Intermediate Self-Study Pack (6th Edition). United Kingdom: CAMBRIDGE UNIVERSITY PRESS.

MLA Style

Robinson, Maggie, Baigent, And, Nick. "English Unlimited: B1+ Intermediate Self-Study Pack". 6th Edition United Kingdom: CAMBRIDGE UNIVERSITY PRESS, 2015. Text.