APA
Jeppesen S., . (1981). Flora of Ecuador : 187. Campanulaceae, 188. Lobeliaceae, 189A. Sphenocleaceae, 189B. Goodeniaceae / Stig Jeppesen. Goteborg: University of Goteborg. Departament of Systematic Botany; Gunnar Harling; Benkt Sparre.
Chicago
Jeppesen Stig, . 1981. Flora of Ecuador : 187. Campanulaceae, 188. Lobeliaceae, 189A. Sphenocleaceae, 189B. Goodeniaceae / Stig Jeppesen. Goteborg: University of Goteborg. Departament of Systematic Botany; Gunnar Harling; Benkt Sparre.
Harvard
Jeppesen S., . (1981). Flora of Ecuador : 187. Campanulaceae, 188. Lobeliaceae, 189A. Sphenocleaceae, 189B. Goodeniaceae / Stig Jeppesen. Goteborg: University of Goteborg. Departament of Systematic Botany; Gunnar Harling; Benkt Sparre.
MLA
Jeppesen Stig, . Flora of Ecuador : 187. Campanulaceae, 188. Lobeliaceae, 189A. Sphenocleaceae, 189B. Goodeniaceae / Stig Jeppesen. Goteborg: University of Goteborg. Departament of Systematic Botany; Gunnar Harling; Benkt Sparre. 1981.