APA Style

Covey, S, R. (1989). The seven habits of highly effective people : restoring the character ethic / Stephen R. Covey. . New York: Simon and Schuster.

MLA Style

Covey, S., R.. "The seven habits of highly effective people : restoring the character ethic / Stephen R. Covey.". New York: Simon and Schuster, 1989. Text.