APA (7th ed.) Citation

Nestell, G., Heredia, S. E., Mestre, A., Beresi, M. S., & González, M. The oldest Ordovician foraminifers (Oepikodus evae conodont Zone, Floian) from South America. Geobios, 44(6), 601.

Chicago Style (17th ed.) Citation

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." Geobios 44, no. 6 (): 601.

MLA (9th ed.) Citation

Nestell, Galina, et al. "The Oldest Ordovician Foraminifers (Oepikodus Evae Conodont Zone, Floian) from South America." Geobios, vol. 44, no. 6, , p. 601.

Warning: These citations may not always be 100% accurate.