STEVENSON, John A. CITRUS-DISEASES OF PORTO RICO. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 2, n. 2, p. 43–123, 1918. DOI: 10.46429/jaupr.v2i2.15157. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/15157. Acesso em: 18 jul. 2024.