APA
Eriksen B., Stahl B. & Persson C. (2000). Flora of Ecuador : 102. Polygalaceae / Bente Eriksen, Bertil Stahl, Claes Persson. Goteborg: University of Goteborg. Departament of Systematic Botany; Gunnar Harling; Lennart Andersson.
Chicago
Eriksen Bente, Stahl Bertil and Persson Claes. 2000. Flora of Ecuador : 102. Polygalaceae / Bente Eriksen, Bertil Stahl, Claes Persson. Goteborg: University of Goteborg. Departament of Systematic Botany; Gunnar Harling; Lennart Andersson.
Harvard
Eriksen B., Stahl B. and Persson C. (2000). Flora of Ecuador : 102. Polygalaceae / Bente Eriksen, Bertil Stahl, Claes Persson. Goteborg: University of Goteborg. Departament of Systematic Botany; Gunnar Harling; Lennart Andersson.
MLA
Eriksen Bente, Stahl Bertil and Persson Claes. Flora of Ecuador : 102. Polygalaceae / Bente Eriksen, Bertil Stahl, Claes Persson. Goteborg: University of Goteborg. Departament of Systematic Botany; Gunnar Harling; Lennart Andersson. 2000.