Cita APA (7a ed.)

López, M. C., Wulff, A. F., & Xifreda, C. C. (2002). Chromosome contribution to Andean Polyploid Species of Senecio (Asteraceae), from Argentina.

Cita Chicago Style (17a ed.)

López, Mariana C., Arturo F. Wulff, y Cecilia Carmen Xifreda. Chromosome Contribution to Andean Polyploid Species of Senecio (Asteraceae), from Argentina. 2002.

Cita MLA (8a ed.)

López, Mariana C., et al. Chromosome Contribution to Andean Polyploid Species of Senecio (Asteraceae), from Argentina. 2002.