Цитирование APA (7-е изд.)

Harden, L., & Heyman, B. (2009). Digital engagement: Internet marketing that captures customers and builds intense brand loyalty. American Management Association.

Цитирование в стиле Чикаго (17-е изд.)

Harden, Leland, и Bob Heyman. Digital Engagement: Internet Marketing That Captures Customers and Builds Intense Brand Loyalty. New York: American Management Association, 2009.

Цитирование MLA (9-е изд.)

Harden, Leland, и Bob Heyman. Digital Engagement: Internet Marketing That Captures Customers and Builds Intense Brand Loyalty. American Management Association, 2009.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.