Cita APA

Tortello, M. F., Uriz, N. J., Alfaro, M. B., Cingolani, C. A., Bidone, A. R., & Galeano Inchausti, J. C. (2012). Trilobites and graptolites from the Vargas Peña Formation (Early Silurian), Paraná Basin, eastern Paraguay. Web

Citación estilo Chicago

Tortello, Marcelo Franco, Norberto Javier Uriz, Marta Beatriz Alfaro, Carlos Alberto Cingolani, Andrea Rosa Bidone, and Julio C. Galeano Inchausti. Trilobites and Graptolites From the Vargas Peña Formation (Early Silurian), Paraná Basin, Eastern Paraguay. 2012.

Cita MLA

Tortello, Marcelo Franco, et al. Trilobites and Graptolites From the Vargas Peña Formation (Early Silurian), Paraná Basin, Eastern Paraguay. 2012.