APA (7th ed.) Citation

AAKER. (2004). Brand portfolio strategy: Creating relevance, differentiation, energy, leverage and clarity. New York Free Press 2004.

Chicago Style (17th ed.) Citation

AAKER. Brand Portfolio Strategy: Creating Relevance, Differentiation, Energy, Leverage and Clarity. New York: New York Free Press 2004, 2004.

MLA (8th ed.) Citation

AAKER. Brand Portfolio Strategy: Creating Relevance, Differentiation, Energy, Leverage and Clarity. New York Free Press 2004, 2004.