APA način citiranja

Astúa Ureña, M., Rojas-Bourrillon, A., & Campos-Granados, C. M. (2020). Nutrient extraction of wild sunflower (Tithonia diversifolia) INTA-Quepos ecotype at three regrowth ages with three levels of nitrogen fertilization.

Čikaški stil citiranja

Astúa Ureña, Maikol, Augusto Rojas-Bourrillon, i Carlos M. Campos-Granados. Nutrient Extraction of Wild Sunflower (Tithonia Diversifolia) INTA-Quepos Ecotype At Three Regrowth Ages With Three Levels of Nitrogen Fertilization. 2020.

MLA način citiranja

Astúa Ureña, Maikol, Augusto Rojas-Bourrillon, i Carlos M. Campos-Granados. Nutrient Extraction of Wild Sunflower (Tithonia Diversifolia) INTA-Quepos Ecotype At Three Regrowth Ages With Three Levels of Nitrogen Fertilization. 2020.