Cita APA

Nestell, G., Heredia, S. E., Mestre, A., Beresi, M. S., & González, M. (2011). The oldest Ordovician foraminifers (Oepikodus evae conodont Zone, Floian) from South America. Web

Citación estilo Chicago

Nestell, Galina, Susana Emma Heredia, Ana Mestre, Matilde Sylvia Beresi, and Mercedes González. The Oldest Ordovician Foraminifers (Oepikodus Evae Conodont Zone, Floian) From South America. 2011.

Cita MLA

Nestell, Galina, et al. The Oldest Ordovician Foraminifers (Oepikodus Evae Conodont Zone, Floian) From South America. 2011.