Style de citation APA

Covey, S. M., & Merrill, R. R. (2006). Speed of trust: One thing that changes everything. Pocket Books.

Style de citation Chicago

Covey, Stephen M.R, et Rebecca R. Merrill. Speed of Trust: One Thing That Changes Everything. London: Pocket Books, 2006.

Style de citation MLA

Covey, Stephen M.R, et Rebecca R. Merrill. Speed of Trust: One Thing That Changes Everything. Pocket Books, 2006.