Цитирование APA (7-е изд.)
Gallagher, R. S. (2008). What to say to a porcupine: 20 humorous tales that get to the heart of great customer service. American Management Association.
Цитирование в стиле Чикаго (17-е изд.)
Gallagher, Richard S. What to Say to a Porcupine: 20 Humorous Tales That Get to the Heart of Great Customer Service. New York: American Management Association, 2008.
Цитирование MLA (9-е изд.)
Gallagher, Richard S. What to Say to a Porcupine: 20 Humorous Tales That Get to the Heart of Great Customer Service. American Management Association, 2008.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.