APA (7th ed.) Citation

Varela, F. (2019). Cartas a Elpidio. www.linkgua-digital.com.

Chicago Style (17th ed.) Citation

Varela, Félix. Cartas a Elpidio. Barcelona: www.linkgua-digital.com, 2019.

MLA (9th ed.) Citation

Varela, Félix. Cartas a Elpidio. www.linkgua-digital.com, 2019.