Cita APA (7a ed.)

Ruiz Quezada, B. D. (2020). Use of Duolingo and Papora as supplementary tools for English as a Foreign Language students to improve their pronunciation while learning English.

Cita Chicago Style (17a ed.)

Ruiz Quezada, Bryan Dario. Use of Duolingo and Papora as Supplementary Tools for English as a Foreign Language Students to Improve Their Pronunciation While Learning English. 2020.

Cita MLA (9a ed.)

Ruiz Quezada, Bryan Dario. Use of Duolingo and Papora as Supplementary Tools for English as a Foreign Language Students to Improve Their Pronunciation While Learning English. 2020.