Citazione Stile APA (7a Edizione)
Christensen, M., & Christensen, W. (2007). Be a network marketing superstar: The one book you need to make more money than you ever thought possible. AMACOM.
Citazione stile Chigago Style (17a edizione)
Christensen, Mary, e Wayne Christensen. Be a Network Marketing Superstar: The One Book You Need to Make More Money than You Ever Thought Possible. New York: AMACOM, 2007.
Citatione MLA (9a ed.)
Christensen, Mary, e Wayne Christensen. Be a Network Marketing Superstar: The One Book You Need to Make More Money than You Ever Thought Possible. AMACOM, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.