APA citiranje

Saar, D. E., Sørensen, P. D., & Hjerting, J. P. (2003). Dahlia campanulata and D. cuspidata (Asteraceae, Coreopsideae): Two new species from Mexico. Instituto de Ecología, A.C.

Chicago Style (17th ed.) Citation

Saar, Dayle E., Paul D. Sørensen, and J. P. Hjerting. Dahlia Campanulata and D. Cuspidata (Asteraceae, Coreopsideae): Two New Species from Mexico. Instituto de Ecología, A.C, 2003.

MLA citiranje

Saar, Dayle E., et al. Dahlia Campanulata and D. Cuspidata (Asteraceae, Coreopsideae): Two New Species from Mexico. Instituto de Ecología, A.C, 2003.