Cita APA

Zubillaga de Sanahuja, M. d. L. M., Aristi, J. P., & Lavado, R. S. (2002). Effect of phosphorus and nitrogen fertilization on sunflower (Helianthus annus L.) nitrogen uptake and yield. Web

Citación estilo Chicago

Zubillaga de Sanahuja, María de Las Mercedes, J. P. Aristi, and Raul Silvio Lavado. Effect of Phosphorus and Nitrogen Fertilization On Sunflower (Helianthus Annus L.) Nitrogen Uptake and Yield. 2002.

Cita MLA

Zubillaga de Sanahuja, María de Las Mercedes, J. P. Aristi, and Raul Silvio Lavado. Effect of Phosphorus and Nitrogen Fertilization On Sunflower (Helianthus Annus L.) Nitrogen Uptake and Yield. 2002.