APA引文

Williams, R. N. (2017). Step-by-step SEO basics. Flame Tree Publishing.

Chicago Style (17th ed.) Citation

Williams, Richard N. Step-by-step SEO Basics. London: Flame Tree Publishing, 2017.

MLA引文

Williams, Richard N. Step-by-step SEO Basics. Flame Tree Publishing, 2017.

警告：這些引文格式不一定是100％准確.