APA

Berg C. C., Franco Rosselli P., Harling G. & Andersson L. (1993). Cecropiaceae. Quito: Departament of Systematic Botany.

Chicago

Berg Cornelis C, Franco Rosselli Pilar, Harling Gunnar and Andersson Lennart. 1993. Cecropiaceae. Quito: Departament of Systematic Botany.

Harvard

Berg C. C., Franco Rosselli P., Harling G. and Andersson L. (1993). Cecropiaceae. Quito: Departament of Systematic Botany.

MLA

Berg Cornelis C, Franco Rosselli Pilar, Harling Gunnar and Andersson Lennart. Cecropiaceae. Quito: Departament of Systematic Botany. 1993.