Janstsch, J., & Singleton, P. (2016). SEO for Growth: The ultimate guide for marketers, web designers & entrepreneur. Duct tape publishing.
Citación estilo ChicagoJanstsch, John, and Phil Singleton. SEO for Growth: The Ultimate Guide for Marketers, Web Designers & Entrepreneur. New York: Duct tape publishing, 2016.
Cita MLAJanstsch, John, and Phil Singleton. SEO for Growth: The Ultimate Guide for Marketers, Web Designers & Entrepreneur. Duct tape publishing, 2016.
Warning: These citations may not always be 100% accurate.