Cita APA (7a ed.)

Gómez-Rojas, O. P., Díaz-Lagos, M., Blandón-Montes, A., & Martínez-Ovalle, S. A. (2016). Presence of contamination by As Cd, As, Pb, Se, and Hg in coals of the Cundiboyacense area, Colombia. Universidad Pedagógica y Tecnológica de Colombia.

Cita Chicago Style (17a ed.)

Gómez-Rojas, Olga Patricia, Mercedes Díaz-Lagos, Astrid Blandón-Montes, y Segundo Agustín Martínez-Ovalle. Presence of Contamination by As Cd, As, Pb, Se, and Hg in Coals of the Cundiboyacense Area, Colombia. Universidad Pedagógica y Tecnológica de Colombia, 2016.

Cita MLA (9a ed.)

Gómez-Rojas, Olga Patricia, et al. Presence of Contamination by As Cd, As, Pb, Se, and Hg in Coals of the Cundiboyacense Area, Colombia. Universidad Pedagógica y Tecnológica de Colombia, 2016.