Цитирование APA (7-е изд.)
ebrary, Inc. (2003). Proven tactics in viral marketing: Online games, quizzes, eCards, contests & "buzz" building. MarketingSherpa, Inc..
Цитирование в стиле Чикаго (17-е изд.)
ebrary, Inc. Proven Tactics in Viral Marketing: Online Games, Quizzes, ECards, Contests & "Buzz" Building. Portsmouth, R.I.: MarketingSherpa, Inc., 2003.
Цитирование MLA (9-е изд.)
ebrary, Inc. Proven Tactics in Viral Marketing: Online Games, Quizzes, ECards, Contests & "Buzz" Building. MarketingSherpa, Inc., 2003.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.