Cita APA (7a ed.)

Papagiannis, N. (2020). Effective SEO and content marketing: The ultimate guide for maximizing free web traffic (1st edition.). Wiley.

Cita Chicago Style (17a ed.)

Papagiannis, Nicolaos. Effective SEO and Content Marketing: The Ultimate Guide for Maximizing Free Web Traffic. 1st edition. Indianapolis, Indiana: Wiley, 2020.

Cita MLA (9a ed.)

Papagiannis, Nicolaos. Effective SEO and Content Marketing: The Ultimate Guide for Maximizing Free Web Traffic. 1st edition. Wiley, 2020.