APA (7th ed.) Citation

Valencia Herrera, J. M., & Véliz Menéndez, D. C. (2017). The use of punctuation in writing skill.

Chicago Style (17th ed.) Citation

Valencia Herrera, Johanna Maribel, and Diana Carolina Véliz Menéndez. The Use of Punctuation in Writing Skill. 2017.

MLA (9th ed.) Citation

Valencia Herrera, Johanna Maribel, and Diana Carolina Véliz Menéndez. The Use of Punctuation in Writing Skill. 2017.