Cita APA (7th ed.)

Ries Al. (2004). Origin of Brands. Harper Collins.

Cita Chicago (17th ed.)

Ries Al. Origin of Brands. New York: Harper Collins, 2004.

Cita MLA (9th ed.)

Ries Al. Origin of Brands. Harper Collins, 2004.

Atenció: Aquestes cites poden no estar 100% correctes.