Cita APA (7a ed.)

Malicoat, T. (2013). Social signals and their impact on SEO. FT Press.

Cita Chicago Style (17a ed.)

Malicoat, Todd. Social Signals and Their Impact on SEO. [Place of publication not identified]: FT Press, 2013.

Cita MLA (8a ed.)

Malicoat, Todd. Social Signals and Their Impact on SEO. FT Press, 2013.