APA Style

Covey, Stephen R.. (2004). The 7 habits of highly effective people / Stephen R. Covey . London: Pocket Books.

Chicago Style

Covey, Stephen R.. The 7 habits of highly effective people / Stephen R. Covey. London: Pocket Books, 2004. Text.

MLA Style

Covey, Stephen R.. The 7 habits of highly effective people / Stephen R. Covey. London: Pocket Books, 2004. Text.

Turabian Style

Covey, Stephen R.. The 7 habits of highly effective people / Stephen R. Covey. London: Pocket Books, 2004. Print.