APA
Urdampilleta J. D., Amat A. G., Bidau C. J. & Koslobsky N. K. (2005). Biosystematic and chemosystematic studies in five south american species of Conyza (Asteraceae). : .
Chicago
Urdampilleta Juan D, Amat Aníbal G, Bidau Claudio J and Koslobsky Nicolás Kolb. 2005. Biosystematic and chemosystematic studies in five south american species of Conyza (Asteraceae). : .
Harvard
Urdampilleta J. D., Amat A. G., Bidau C. J. and Koslobsky N. K. (2005). Biosystematic and chemosystematic studies in five south american species of Conyza (Asteraceae). : .
MLA
Urdampilleta Juan D, Amat Aníbal G, Bidau Claudio J and Koslobsky Nicolás Kolb. Biosystematic and chemosystematic studies in five south american species of Conyza (Asteraceae). : . 2005.