APA

Silverstone Sopkin P. A., Ramos Pérez J. E., .Floristic exploration and phytogeography of the Cerro del Torrá, Chocó, Colombia. : .

Chicago

Silverstone Sopkin Philip A, Ramos Pérez Jorge E, .Floristic exploration and phytogeography of the Cerro del Torrá, Chocó, Colombia. : .

Harvard

Silverstone Sopkin P. A., Ramos Pérez J. E., .Floristic exploration and phytogeography of the Cerro del Torrá, Chocó, Colombia. : .

MLA

Silverstone Sopkin Philip A, Ramos Pérez Jorge E, .: . .